SlideShare una empresa de Scribd logo
1 de 20
Descargar para leer sin conexión
The Newsletter of The Ecological Landscaping Association                                  Vol. 9, No. 3                 Fall 2002




                          Water      by Robert Hsin
                                                                                        We hope you find the content of
                                                                                       this special water issue valuable
                                                                                           as reference and incentive

            ater has historically been                    water supply, much of which is locked droughts, extinction of native plants

W            viewed as the source of
             life in almost all human
cultures, and with good reason. The
origins of civilization have always
                                                          in the polar ice caps1. This false con-
                                                          ception has led to extremely unsus-
                                                          tainable modern methods of water
                                                          management to provide for our urban
                                                                                                  and animals, water contamination,
                                                                                                  and depletion of freshwater reserves.
                                                                                                     In addition to these direct environ-
                                                                                                  mental problems, the processes of
been closely tied to large bodies of                      centers.                                extracting, storing, distributing and
water. The Yellow River in China,                                                                        heating water is also energy
the Euphrates in Persia, and the                                                                         intensive. Hence sustainable
Nile in Egypt enabled those early                       “The highest good is like water.                 water management must consid-
empires to flourish. However,                          Water gives life to the ten thousand er both watershed protection
our urban centers today are far                            things and does not strive.                   and water conservation.
more populated and require
much more water than these early                          It flows in places men reject                  Protecting the watershed
civilizations. The abundance of                               and so is like the Tao.”                     The site’s natural watershed is
water on the globe has given                                       —Excerpt from the                     responsible for providing water
mankind the false conception of                                                                          to the environment. Managing
fresh water as an infinite resource.                            Tao Te Ching, chapter 8                  this watershed sustainably can
In fact, freshwater comprises                                                                            enhance the natural habitat, con-
only 3 percent of the earth’s total                         Understanding the earth’s natural     serve water, and provide long term
                                                          water cycle and the land’s watershed    water storage and flood protection.
                                                          are the keys to sustainable water
   within:                                                management. The process is relatively Water sources
   Editor’s two cents. . . . . . . . . . . . 2            simple to explain, in contrast, the        Water sources are primarily drawn
   U.S. suffers under drought . . . 5                     effects of our alterations—even minor   from groundwater (underground
   Water-conserving practices . . . 6                     ones, are extremely complex. In short,  wells and springs), and surface water
   Rain garden plants. . . . . . . . . . . 7              the sun evaporates water into the       (lakes, rivers, and streams). Conver-
   Wise watering . . . . . . . . . . . . . . . 8          atmosphere, forming it into clouds.     sion of saltwater into freshwater is
   Do the right thing?! . . . . . . . . . . 9             The water is then released back to      also possible, but the difficulty and
   U.S., highest wastefulness . . . 10                    the earth in the form of precipitation  energy intensity of this process makes
   Handbook of water use                                  where it flows through the land,        it a viable solution only in very limited
      and conservation . . . . . . . . . 11               supplying all the life forms before     areas. The main objectives are to pro-
   ELA news. . . . . . . . . . . . . . . . . . 12         returning to the rivers, lakes, and     tect these water sources from contam-
   BOD profiles cont’d. . . . . . . . . 14                oceans, where the cycle is repeated     ination and ensure the natural replen-
   Gleanings . . . . . . . . . . . . . . . . . 16         again. The path of the water along      ishing of them. Protecting the water-
   Darke book review . . . . . . . . . 18                 the land is defined as the watershed.   shed therefore, becomes the highest
   Events . . . . . . . . . . . . . . . . . . . . . 19    Man’s interventions to this water-      priority in sustainable water manage-
   Resources . . . . . . . . . . back cover               shed has led to many environmental      ment.
                                                          problems including, flooding,                        Water continued on page 3
“Gramma said when you come on
 something good, first thing to do is
 share it with whoever you can find;           EDITOR’S TWO CENTS
 that way the good spread out where
 no telling it will go. Which is right.”
 —Little Tree in The Education                The water crisis is here
 of Little Tree, by Forrest Carter
                                           Water. H2O. Three atoms, uniquely joined, form a large part of the basis
                                           for life on Earth. On the planet we call home, 71 percent of whose surface
                                           is covered with the stuff, water plays an essential role in nearly every
                                           aspect of life and is capable of astounding feats.
                                              That it is a substance less dense as a solid than a liquid allows ice to float
                                           (no fun skating on the bottom of a pond). With enough volume and time,
                                           it can carve a Grand Canyon. It comprises the bulk of most living things.
 The Ecological Landscaper                 Biochemical processes occur mostly in an aqueous environment, whether
    is published by the Ecological         within the walls of a cell, in the soil under our feet, or in the vast oceans.
   Landscaping Association (ELA).             Seemingly abundant, essential for life, and long taken for granted, our
      Subscriptions are a benefit          water supplies—fresh, readily available, clean water—are now declining
  of membership in ELA. For more           or threatened on an ever-widening scale. The total amount of water in the
  information about ELA, write to:         global system (roughly 326 million cubic miles1) doesn’t significantly
                ELA                        change (your afternoon tea could be made with Cleopatra’s bath water),
       60 Thoreau Street, #252             but its distribution, quality, and availability do.
      Concord, MA 01742-2456                  Changing weather patterns (likely, at least in part, due to human activ-
   Or check our Web site at:               ity), overuse, inefficiency and mismanagement, political upheaval, and,
www.ELA-ecolandscapingassn.org             recently, even commercial commodification of water supplies have pro-
(Members section password: ecopost)        duced situations where water crises are now occurring, spreading, or
Talk to us. We welcome your                looming in many parts of the world.2
comments, letters, articles, ideas,           A sampling of the current state of affairs is sobering:
and opinions. Address all newslet-              • About 20 percent of the world’s population (more than a billion people)
ter correspondence, submissions,
and address corrections to: Nick                  do not have access to safe drinking water.
Novick, 6 Meadowbrook Lane,                     • Roughly 5.3 million deaths per year are attributable to unsafe water.
Ashland, MA 01721; (508) 881-1517               • 80 percent of diseases in the developing world are caused by
(phone/fax); e-mail:
ELBacktalk@aol.com.                               contaminated water.
                                                • Global water consumption is doubling every 20 years, more than twice
Send all other ELA business to the
address above.                                    the rate of the population.
The ELA board meets throughout                  • More than half the world’s wetlands were destroyed in the last
the year in various locations in                  century.
eastern Massachusetts. All members            And lest one think that water problems are confined only to countries
are welcome. Contact us for specific       in the developing world, or to traditionally arid regions, note recent news
dates and locations.                       headlines such as “U.S. faces day of reckoning; even traditionally wet
      ELA Board of Directors               areas run out of water as sprawl, global warming take toll.”3 In Florida,
 President: Kathy Sargent-O’Neill          overdrawn ground and surface waters are becoming briny as seawater
   Vice President: Chris O’Brien           infiltrates. In 2001, more than half of Kentucky’s counties ran short of
       Treasurer: Sue Storer
                                           water or were on the verge of shortages before a rainy period brought
Recording Secretary: Frances Clark
                                           relief. In northeast Kansas, water is becoming so scarce that consideration
   M.L. Altobelli     James Marzilli       is being given to a $200-million pipeline to bring water from the Missis-
    Tom Akin            Nick Novick        sippi River.
   Nancy Askin         Chris O’Brien
   Don Bishop         Tom Sheehan             A number of towns face running out of water in a decade or two not
  Barbara Keene         Tom Smarr          only in the arid southwest (El Paso, San Antonio, and Albuquerque), but
 Andrea Knowles       Diane Syverson       also in other parts of the country. Here in New England, in the late 1990s,
    Bob Levite                             many rivers had average monthly flows lower than they had in decades,
      Administrative Assistant:            and water levels in in-ground wells were also at record lows. In Massa-
         Pat MacAlpine                     chusetts, the combination of water withdrawals for public water supplies
                                           and extended drought reduced sections of the Ipswich River to a series of
             Newsletter
   Editorial Director: Nick Novick         isolated, stagnant pools during the summer months in a number of recent
   Production Editor: Joy Buslaff


                                                         2
Water continued from page 1

                                                                                       In general, groundwater sources are
                                                                                     the cleanest and most energy-efficient
                                                                                     source since it is often local, requires
                                                                                     very little treatment, and is easily
                                                                                     extracted. However, groundwater
years. This past summer, many towns and cities instituted water restric-             reserves can easily be overused and
tions or bans to conserve supplies.                                                  contaminated. To protect ground-
   As a culture, we still often display a stunning lack of understanding             water reserves from contamination,
of and appreciation for water (to the point where the U.S ranks worst in             they should be kept at least 50 feet
the world in water use efficiency; see article, page 10). Even in the midst          deep and 200 feet horizontally from
of serious droughts, TV weather forecasters refer to imminent rain as                surface water2.
“trouble,” or a “problem.” Lawn sprinklers on auto-pilot apply water
when it’s raining. Leaky pipes in municipal water systems result in flow             Nature and water flow
losses of as much as 30 percent in some places. The list goes on.…                      Modern methods of water flow
   Our collective awareness of and respect for water need to take giant              management are dependent on
leaps forward if we are to protect this indispensible resource for future            technology. Mechanical pumps and
generations.                                                                         steel and concrete materials are the
   Water can’t be taken for granted in our landscape work any more so                common tools. This technology is
than that for other uses. Water falling onto a site, collecting on it, or flow-      extremely energy intensive and is
ing through it needs to be treated as the valuable resource and essential            often detrimental to the environment.
element of the ecosystem that it is. We need to seek and take advantage of           Controlling the flow of water can eas-
opportunities to use water to build ecological assets such as water gardens          ily be accomplished by letting nature
of various types. Irrigation water needs to be properly applied to avoid             do the work with no energy expendi-
waste. Landscape design should take water into account, as should plant              tures.
choices.                                                                                Often referred to as landform engi-
   In this issue of the Ecological Landscaper, we take a broad look at some of       neering, its primary goal is to manip-
the ways water issues impact our landscape work, give some advice on                 ulate and enhance the natural flow
how to use water wisely, and offer specific techniques to limit water use.           of water to improve the site’s ability
Protecting all our resources, including water, will take everyone’s                  to catch, hold, and absorb water.
participation. ■                                                 —Nick Novick        The site’s topography can be used
                                                                                     to guide water through constructed
NOTES:                                                                               swales and depressions. Roots of trees
1 One cubic mile equals in excess of one trillion gallons.                           retain soil more efficiently than con-
2 In an attempt to head off the growing trend toward the commodification of          crete. Certain plants and micro-organ-
  water (private companies taking ownership of water supplies and treating water     isms can be used to filter out bacteria,
  as just another commodity to be sold for the highest possible price), the UN has   toxins, and heavy metals from sewage
  taken the unprecedented step of declaring water as a public good, a human right    run-off, in effect, acting as a waste-
  and “a limited natural resource and a public commodity fundamental to life and     water treatment system.
  health.” For more see article at <www.commondreams.org/headlines02/11298-
  01.htm>.                                                                           Swales and contour trenches
3 Published Aug. 12, 2001, in the Toronto Star; full article at <www.common
                                                                                       Subtle alterations to the site such as
  dreams.org/headlines01/0812-04.htm>                                                construction of swales and contour
                                                                                     trenches is an effective method of
SOURCES:
                                                                                     collecting and guiding water to stor-
BBC, United Nations, World Water Council, New York Times, U.S. Geological
Survey                                                                               age areas or distributing the water
                                                                                     back to the site. Water can be guided
                                                                                     into vegetated areas such as wetlands
                                                                                     and forests or storage basins such as
  BOXED FACTOIDS throughout this issue were collected from the following             retention ponds. These depressions
  sources: U.S. Geological Survey, NASA, UNESCO, U.S. EPA, National                  should be lined with sand or gravel
  Geographic, Mass. Dept. of Food and Agriculture, Rocky Mountain Institute,         and filled with water-harvesting
  Maryland Dept. of the Environment, Los Angeles Times, Introduction to Plant        plants which slow down water
  Biology (Stern), National Parks Service, “Environmental Effects of                 movement, cleanse the water, and
  Manufacturing Computer Components” by Elaine Tso.                                  assist the land in absorbing the
                                                                                     water.

                                                                                                Water continued on page 4

                                                                  3
Water continued from page 3                  water from dishwashers, laundry                 Depending on the location, it is possi-
                                             machines, and showers).                         ble to provide enough water, includ-
Retention systems                                                                            ing potable water, for all the needs of
   Stormwater retention systems              Water-efficient landscaping                     the community. In Hawaii, for exam-
provide a more environmental and               It is plainly evident from all the            ple, rainwater provides all the water
aesthetic alternative to conventional        previous principles and guidelines              needs for 25,000 people5.
drainage systems which often wash            that site design and landscaping are
away stormwater, preventing it               inherently linked with water. Water-            Wastewater reuse
from replenishing the site. Retention        efficient landscaping therefore, has an           Wastewater comes in two forms,
systems store runoff water to be             enormous impact on the ability of a             graywater, which comes from
released slowly and/or absorbed into         development to save water. Selection            showers, laundry machines, and dish-
the ground. The soil used in these           of plant materials which require less           washers; and blackwater, which is the
systems must be permeable with in-           water, as opposed to exotic species             sewage from toilets. In most cases,
filtration rates of at least 27 inches per   which tax water supplies, is a priority.        potable water is used for all these
hour 3. These systems retain the water       In this case, selection of indigenous           purposes, when it is only necessary
on the site and provide flood protec-        plants is often the solution. The use           for drinking and cleaning purposes.
tion. With some attention to design,         of exotic species in arid regions, such         Reusing graywater for flush toilets
these systems can also be made into          as Kentucky Bluegrass which requires            and landscaping can provide enor-
attractive parks, using the retention        enormous amounts of water, is just              mous savings of potable water. Build-
“pond” as a focal point.                     not sustainable. Indigenous species             ings can be designed or retrofitted to
                                             exist because they are able to live             allow for separate drain lines to
Water conservation                           in the area’s climate and therefore             accommodate this strategy.
   There are many examples of waste-         require only the amount of water that             Conventionally, wastewater is
ful water practices in American cities       the environment can supply.                     treated in expensive, energy-intensive
which could easily be improved. In             Watering plants during evening                treatment plants, and eventually
the city of Los Angeles, for example,        hours is a much more sensible alter-            dumped into our rivers, lakes, and
it is estimated that 50 percent of home      native to watering during daylight              oceans. Despite this, over 2,000
water usage is spent on maintaining          hours when the sun evaporates much              beaches in the U.S. were closed in 1991
lawns and gardens4, most of which            of the water. Water irrigation timers           due to sewage pollution problems6.
are not indigenous to the semi-arid          are available on the market which               Wastewater can be treated and reused
climate of Southern California. In fact,     assist in more efficient watering of            for irrigation and even potable pur-
Los Angeles’ watershed map extends           plants. Reducing the size of lawns is           poses through biological wastewater
into 11 states to provide the water          also an effective method of conserving          treatment such as wetlands. This
needs for just one city. Much water          water.                                          serves two purposes, it saves water,
demand could be reduced simply by                                                            and it recycles the pollutants in the
using common sense in landscaping,           Rainwater collection                            waste as food for the biological treat-
while potable water usage could be             Once widely used before the 1950s             ment system. In most cases it is also a
greatly reduced by reusing treated           in the U.S., this strategy is still applied     more economical alternative to con-
wastewater and graywater (used               in many areas around the globe. Col-            ventional treatment facilities. ■
                                             lected rainwater from cisterns and
                                             catchbasins can be used to provide for            (This is a chapter excerpted from
                                             landscaping needs and can even be               Principles and Guidelines for Sustainable
  WATER FACTS
                                             treated to be used as potable water.            Community Design; A study of sustain-
  •  Amount of water in the                  The rainwater is usually collected              able design and planning strategies in
  atmosphere at any given                    from rooftops and then stored in                North America from an urban design
  moment: 3,100 cubic miles                  cisterns and catchbasins for later use.         perspective.)
  •  Percent of all fresh water
  that figure represents: .001               ENDNOTES:
  •  Depth of coverage if all                1   National Park Service. Guiding Principle of Sustainable Design (Department of Interior:
                                                 Denver, Colo., 1993)
  atmospheric water fell to earth
                                             2   Ibid.
  at once: 1 inch                            3   John Tillman Lyle. Regenerative Design for Sustainable Development (John Wiley and
  •  Average daily precipitation                 Sons: New York, N.Y., 1994).
  on the continental U.S.: 30                4   Julia Russell, “Xeriscape” ed. Bob Walter, and Lois Arkin. Sustainable Cities (EcoHome
  inches (4 cubic miles)                         Media. Los Angeles, Calif., 1992) pp 140.
                                             5   Dianna Barnett and William Browning. A Primer on Sustainable Building (Rocky
  NOTE: one cubic mile equals one                Mountain Institute: Snowmass, Colo., 1995).
  trillion gallons (more or less)            6   Larry Stammer, “Sewage Forced Closure of 2,000 Beaches in 1991” (Los Angeles Times,
                                                 July 24, 1992).


                                                                    4
"Irrigation of the land with seawater desalinated by fusion power is ancient. It's called rain."—Michael McClary



                        U.S. suffers under drought
                                           by Randolph E. Schmid, Associated Press

WASHINGTON (Sept. 13)—Con-                  Virginia, Colorado, Utah, Arizona,          Asheville, N.C., said the average
fronted by parched lawns and with-          and Nevada. It was the second driest        global temperature for combined land
ered fields, few Americans will be          12 months in South Carolina, Georgia,       and ocean surfaces during June-
surprised to learn that the summer          Maryland, Delaware, and Wyoming.            August was 0.8° above the 1880-2001
of 2002 was hotter and drier than              The Climate Center said there was        long-term mean, the third-warmest
normal.                                     some drought relief in the Northeast        such period since recordkeeping
  For the record, the National Cli-         during the spring and early summer,         began in 1880.
matic Data Center reported Friday           but a return to below-average rainfall        Summer was marked by numerous
that June through August was the            during July and August led to wors-         extreme weather events throughout
warmest summer since the 1930s              ening drought there.                        the world, including more than 100
and drought affected about half the            Moderate to extreme drought              deaths across Europe as heavy rainfall
country.                                    covered more than 45 percent of the         caused devastating floods in the
  The average temperature for the 48        contiguous United States during each        Czech Republic, Germany, Austria,
contiguous states this summer was           of the past three months, the agency        Slovakia, Russia, and Romania.
73.9°F.                                     said.                                         Monsoon rains led to hundreds of
  That’s 1.8° warmer than normal and           By comparison, the most wide-            deaths in northeastern India and
the third hottest on record. Warmest        spread drought on record occurred in        Bangladesh, and heavy rainfall
was 1936 and second was 1934.               July 1934 when 80 percent of the con-       brought severe flooding to central
  The report comes just a day after the     tiguous United States was in moderate       China. ■
National Weather Service forecasted         to extreme drought. And the center
continuing dry conditions for much of       pointed out that studies of tree rings      This and other AP stories in this issue are
the country through winter. Only the        indicate there have been worse              reprinted by permission of Associated
Southern tier of states are expected to     droughts in the past.                       Press. Copyright 2002 The Associated
be wetter than normal.                         “The severity of the 1930s drought       Press. The information contained in the
  The data center, part of the National     was likely surpassed by the drought         AP news report may not be published,
Oceanic and Atmospheric Adminis-            in the 1570s and 1580s over much of         broadcast, rewritten or otherwise distrib-
tration, said no state was significantly    the western U.S. and northern Mexico,       uted without the prior written authority
colder than normal in summer and            which lasted several decades in parts       of The Associated Press.
many were much warmer than aver-            of the southwestern U.S.,’’ NOAA
age.                                        reported.
  There was much below-average                 While the costs of this year’s              WATER FACTS
rainfall in 29 states, while the only
wetter-than-average states were
                                            drought are not yet known, it has
                                            diminished water supplies that led
                                                                                           •   Total amount of earth’s
                                                                                           atmospheric, surface, and
Wisconsin, Minnesota, Iowa, and             to the need for water restrictions in          ground water: 326 million cubic
North Dakota, plus parts of Texas           many cities, contributed to an active          miles
and Florida.
  Heavy rainfall eased drought but
                                            wildfire season and produced
                                            extremely difficult farming conditions.
                                                                                           •   Percentage of total mass of
                                                                                           the earth accounted for by
led to severe flooding in southern             The National Center for Atmos-              oceans: .02
and central Texas in early July with
damage estimates reported as high as
                                            pheric Research in Boulder, Colo.,
                                            reported Thursday that by the end
                                                                                           •   Percent of earth’s water
                                                                                           which is fresh water: 2.5-3
$1 billion. Strong thunderstorms also
brought widespread flooding to west-
                                            of August, 6 million acres of mostly
                                            forest—an area roughly the size of
                                                                                           •   Proportional amount of
                                                                                           available fresh water if all the
ern Minnesota and North Dakota and          New Hampshire—had been con-                    world’s water were reduced to
resulted in hundreds of millions of         sumed by flames across the United              a gallon: 1 teaspoon
dollars in damage in crop losses in
June.
                                            States. That’s double the annual aver-
                                            age in wildfire damage with costs
                                                                                           •   Percent of freshwater which
                                                                                           is tied up in glaciers and polar
  In many areas, the drought extends        estimated at $1.5 billion so far, and          ice: about 75
back years. Indeed, the 12 months that      large fires still burn in the West.            •   Percent in groundwaters: 30
ended with August were the driest on
record for six states: North Carolina,
                                               In its summer report, the National
                                            Climatic Data Center, located in
                                                                                           •   Percent in surface waters: .3



                                                                5
"We forget that the water cycle and the life cycle are one."—Jacques Cousteau



  A quick review of some water-conserving
          practices for landscaping
Design                                     Plant selection and planting                Irrigation
   Do a thorough site analysis to deter-     To minimize the need for ongoing            Check systems at least once a year
mine water-related characteristics of      watering, choose plants based on how        for proper operation.
the site.                                  well their need for water matches the         Most plantings need about one inch
   Preserve as much of the existing,       prevalent site conditions.                  of water per week. On clayey soils
desirable, native plants as possible.        Plants native to a region generally       with slower infiltration rates, divided
Incorporate natives and appropriate        are well adapted to those conditions        applications will help prevent water
nonnatives which are not invasive or       and will need little supplemental           loss due to runoff.
have heavy water demands.                  watering once established.                    Water needs vary during the grow-
   Consider on-site water as a valuable      Consider the eventual height of the       ing season. Ideally, irrigations systems
resource. Try to reframe drainage          plant at maturity. Will it provide          will be adjusted throughout the sea-
“problems” as unexpected supplies          essential shading?                          son.
of free water. Plan systems to utilize       Avoid planting too closely. Allow-
excess water.                              ing adequate space between plants           Lawns
   Plan shade into the design. Shade       will minimize competition for water.          Leave clippings to add organic mat-
trees block sun from reaching soil,          When appropriate for the chosen           ter to soil.
lowering soil temperatures, and            plants and economically feasible,             For most of the growing season
reducing evaporative water loss.           incorporate adequate organic matter         mow turf high, at least 2.5 inches, and
Cooling effects from leaf transpiration    into the soil to increase the capacity of   as high as 3.5 inches; even higher is
are also significant. Consider other       the soil to hold water. In cases where      possible in areas where a “trimmed”
shade-providers such as espaliers,         amending soil on a large scale is           look is not important.
arbors, fences.                            impractical, consider plants which            Unless prepared to increase water-
   Note prevailing winds and plan          grow well naturally on “poorer” soils.      ing during hot summer months, allow
windbreaks to reduce evaporative                                                       lawns to go dormant then. There may
losses from wind.                          Maintenance                                 be some benefit to a very light, daily
   Plan zones of water use. Some areas       Maintaining an adequate mulch             watering (.1 inch) to cool the lawn
such as vegetable gardens and beds         layer on planting beds helps to mod-        and prevent heat stress. Once temper-
near hardscape areas may need more         erate soil temperatures and reduce          atures moderate in the fall, lawns
water than other areas. Group plants       evaporation.                                growing in healthy soils with ade-
according to water needs to simplify         Water needs for newly planted             quate organic matter will recover
watering, should it be needed.             trees, shrubs, and perennials are           relatively quickly from all but the
   Consider reducing or eliminating        higher than for plants which are well       most severe droughts.
lawn areas, especially in locations        established. Watering every few days          Select turf seed species and varieties
where the existing site characteristics    may be needed during excessively hot        based on site conditions. Some fescues
are not favorable for turfgrass. For       periods. Each application of water          are more drought tolerant than other
cool-season grasses in the north, full     should reach to the bottom of the root      types, such as bluegrass.
sun on a south-facing slope and poor       zone.                                         Seed new lawns in late summer or
soil will provide an annual challenge        Avoid fertilizing during periods of       early fall to ensure best chance of suc-
that a lawn is not likely to overcome.     stress, including drought.                  cess and minimize need for supple-
Limit lawn to where it will be used,         Experiments have shown that appli-        mental watering. Newly seeded lawns
such as for play areas.                    cations of seaweed (kelp) extract can       need be watered only enough to keep
   Consider native grasses and wild-       help plants tolerate and recover from       seed damp by frequent applications of
flower meadows for a low-mainte-           drought and other stresses.                 small amounts of water. ■
nance alternative in areas where a                                                                                —Nick Novick
lawn would serve no practical use.
Once established, properly chosen
meadow plants will survive the                              “Water sustains all.”—Thales of Miletus, 600 B.C.
harshest of droughts.



                                                               6
“Rain does not fall on one roof alone.”—proverb from Cameroon



Rain                                               trees

garden                                       Acer rubrum (Red Maple), Alnus (Alder), Amelanchier (Serviceberry),
                                             Betula nigra (River Birch), Celtis laevigata (Southern Hackberry),
plants                                       Chionanthus virginicus (Virginia Fringetree), Fraxinus pennsylvanica (Green
                                             Ash), Larix laricina (Tamarack), Liquidambar styraciflua (Sweet Gum),
In some cases, it may be difficult or
impractical to solve drainage “prob-         Nyssa sylvatica (Sour gum), Platanus acerifolia (London Plane),
lems”by diverting or reducing the            Populus tremuloides (Quaking Aspen), Quercus bicolor (Swamp Oak) and
water flowing into areas of a property.
                                             Q. palustris (Pin Oak), Taxodium distichum (Bald Cypress),
On some properties, water may collect
at certain times of the year, or after       Thuja (Arborvitae)
heavy rains. This can result from soils
with a large clay content, surface
runoff patterns, roof water accumula-
tion, etc. It may not be easy or practi-         shrubs
cal to solve these drainage “problems”
with solutions such as underground           Aronia arbutifolia (Red Chokeberry), Cephalanthus occidentalis (Buttonbush),
drainage, dispersion, or other meth-         Clethra alnifolia (Summersweet), Cornus alba sibirica (Tartarian Dogwood),
ods.
   In some of these instances, a “rain       C. amomum (Silky Dogwood), C. sanguea (Bloodtwig Dogwood), C. sericea
garden” may be one solution. Plants          (Redosier Dogwood), Dirca palustris (Leatherwood), Ilex cassine (Dahoon
adapted to occasional inundation can         Holly), I. glabra (Inkberry), I. verticillata (Winterberry), I. vomitoria (Yaupon
be installed to create a garden or bed
in what otherwise might be consid-           Holly), Kalmia latifolia (Mountain Laurel), Leucothoe fontanesiana (Droopng
ered problem areas. By making slight         Leucothoe), Lindera benzoin (Spicebush), Myrica cerifera (Southern
changes in grading, water can be col-        Waxmyrtle), M. pennsylvanica (Bayberry), Nemopanthus mucronatus
lected into selected spots.
   In nature, plants which grow on           (Mountain Holly), Rhododendron arborescens (Sweet Azalea), R. canadense
river and stream banks and wet mead-         (Rhodora), R. periclymenoides (Pinxterbloom Azalea), R. vaseyi (Pinkshell
ows are appropriate choices for rain         Azalea), Rosa palustris (Swamp Rose), Sambucus canadensis (American
gardens, but some upland species can
also tolerate occasional periods of wet-     Elder), Vaccinium (Blueberry), Viburnum cassinoides (Witherod Viburnum),
ness.                                        V. dentatum (Arrowwood Viburnum), V. trilobum (Cranberry Viburnum)
   The mostly native trees, shrubs,
and perennials listed at right (slightly
modified as taken from the November
2002 issue of The Avant Gardener) will       perennials
do well in wet to occasionally saturat-
ed soil conditions. (This is not a com-      Asclepias incarnata (Swamp Milkweed), Aster novae-belgii (New York
prehensive listing.)
                                             Aster), Aster novae-anglie (New England Aster), Astilbe, Astrantia major
   Numerous grasses, sedges, and
rushes will also do well in rain garden      (Masterwort), Echinacea purpurea (Purple Coneflower), Eupatoreum
conditions, as will many ferns includ-       maculatum (Spotted Joe-Pye Weed), Filipendula rubra (Queen of the Prairie),
ing Athyrium felix-femina (Lady Fern),
                                             Dicentra, Gentiana, Hemerocalis (Daylily), Hostas, Iris versicolor (Northern
Osmunda cinnamomea (Cinnamon Fern,
and Thelypteris novebotacensis (New          Blue Flag), I. fulva (Copper Iris), Liatris pycnostachya (Prairie Blazing Star),
York Fern). Suitable bulbs that will         Lilium superbum (Turk’s Cap Lily), Lobelia cardinalis (Cardinal Flower),
tolerate temporary flooding include
                                             Rudbeckia subtomentosa (Sweet Coneflower), Silphium, Stokesia laevis
the genera Canna, Camassia, Crinum,
Eucomis, Hymenocallis, Zantedeschia,         (Stoke’s Aster), Trollius (Globeflower), Veronicastrum virginicum
and Zephyranthes. ■                          (Culver’s Root)



                                                               7
most effective and efficient way.             wax content, breaks down fairly
Wise watering                             Understanding your soil type and its          slowly compared to leaf mold, com-
                                          infiltration rate is essential to efficient   post, and some other mulches—can
Making the best use                       watering. If your sprinklers are              prevent water from reaching the soil.
of applied water                          applying .5 inch of water per hour,              So, how to apply the water? There
                                          only sandy soils and sandy loams              are many different systems to do the
by Cheryl Lowe and Nick Novick            (infiltration rates of one inch and .5        job. Choosing a system will depend
                                          inch/hour respectively) can absorb            on the area you need to water, what
We all breathed a sigh of relief when     everything that you apply. When you           is being watered, your budget, etc.
the first autumn rains began to fall      apply that same rate to loam, half the        If you need irrigation, here are some
after a summer of so much heat and        water will run off, since infiltration        options.
drought. Perhaps you thought you          rates for loam are approximately .25             Permanent, in-ground systems are
were off the hook. But implementing       inch/hour). The infiltration rate is          common for lawns. They are compli-
water-wise landscaping practices          even less if the site is sloped. Clay         cated enough that professional instal-
over the long term, not just when         loam absorbs only .15 inches/hour.*           lation is required, and the cost is rela-
we are forced to do it, pays off both     Useful tools to help in your quest            tively high. These systems are most
ecologically and economically.            for water-wise gardening include a            often set to go on for a certain period
   These practices can range from         number of small containers (tuna or           of time at set intervals, and there are
design considerations to maintenance      pet food cans work fine) to measure           overrides available which turn the
techniques to appropriate plant selec-    water as it is being applied, a soil          system off when it is raining. The
tion. Effective design might mean         probe, and a shovel.                          sensors need to be checked regularly
decreasing lawn area or clustering           Although mulches are efficient at          to work properly.
plants so they not only shade and         preventing water from evaporating                A common mistake is to set the
protect each other from desiccating       from the soil surface, they can also be       system to run frequently for short
winds, but also accommodate distinc-      a barrier to water absorption if they         periods of time. This results in shal-
tive irrigation cycles. Maintenance       dry out, or, if they are applied too          low water penetration into the soil,
techniques include mulches; deep,         heavily. Last August, I (Cheryl) took         and shallow-rooted turf. Applying
but less frequent watering; adding        the time to compare water applica-            one inch of water per week is a good,
organic matter to soils; or avoiding      tion rates to depth of moistened soil         rule-of-thumb guide; this can be
pruning, fertilizing, or planting in      in several different situations (sun,         applied in split applications of a
water-stressed areas. When selecting      shade, loam, sand, etc.). The sites had       half inch every few days. The exact
plants, remember that less stress         not been watered all summer, so the           amount needed will depend on soil
means more resistance to disease and      soil was bone dry. In a loamy soil, I         and grass type, temperature, etc.
pests, so select species adapted to the   applied two inches of water over 5.5          In general, unless they are adjusted
environmental conditions of your          hours using an oscillating sprinkler.         regularly, such automatic sprinklers
site.                                     The soil was moist down to an 8-inch          tend to waste large amounts of water
   With all other measures taken,         depth, but only where the soil was            because they fail to compensate for
there still may come a need to water.     not protected by a dry, 3-inch layer          changing conditions.
At that point, the goal is to get water   of woodchip mulch. With the mulch,               Smaller lawns can be watered with
to the plants in your landscape in the    the water reached only 1 inch into the        with oscillating or impulse sprinklers
                                          soil, as it took most of the water to         attached to the end of a garden hose.
                                          moisten the mulch first. In a similar         The inconvenience of setting these up
  WATER FACTS                             experiment in an uncultivated wood-           and putting them away every time
                                          land site, a 2-inch layer of fine forest      they are needed is compensated by
  •  Percent of all fresh water
                                          duff absorbed over 4 inches of water,         the low initial cost and the ability to
  available for plants: .001
                                          and no moisture reached the soil. In          more easily apply water only as it is
  •  Average percentage of fresh
                                          a nearby test spot (sandy soil and .5         needed. On the more expensive mod-
  plant weight contributed by
  water: 75                               inch of forest duff) the soil was mois-       els, there is usually some capacity to
                                          tened 8 inches into the soil.                 adjust the spray pattern.
  •  Gallons of water utilized
                                             Because excessive mulch can pre-              For trees, shrubs, and flowers, a
  by a typical hardwood tree
  to produce a pound of green             vent water from reaching plant roots          better option is a system which
  wood: 120                               —or even the soil—it is important not         applies water directly to the ground,
                                          to apply too much fresh mulch over            as opposed to the aerial application
  •  Gallons of water transpired
                                          incompletely decomposed, existing             provided by sprinklers. Water
  by an average-sized, 200,000-
  leaf birch tree during a grow-          mulch. Annual applications of many            sprayed on foliage can contribute to
  ing-season day: 200-1,000               inches of mulch—especially bark               conditions which lead to the develop-
                                          mulch, which, because of its high             ment and spread of diseases, so,


                                                              8
other things being equal, it is better to   “For many of us, water simply flows from a faucet, and we think little about it beyond
avoid unnecessary wetting of foliage.       this point of contact. We have lost a sense of respect for the wild river, for the complex
(And, if you do have an in-ground           workings of a wetland, for the intricate web of life that water supports.”
system watering a mixed planting            —Sandra Postel, Last Oasis: Facing Water Scarcity
in addition to the lawn, those areas
should be on a separate zone because
much less water is needed there than                             Do the right thing?!
for the lawn.)                               (To water or not to water, that is the question)
  Two popular, on-ground systems
are soaker hoses and drip systems.          Because of recent periods of drought,           rules, but still justified his action
The most common soaker hose is one          beginning as early as last spring, a            with, and I quote, “It was worth it
made of recycled rubber. The hose           number of towns in eastern Massa-               this one time, I would have spent
weeps slowly from its entire length,        chusetts have instituted some sort of           more than $200 to replace the plants
and so, releases water very slowly to       outdoor water-use restrictions.                 that I would have surely lost. I’m
the soil. They work well for fairly            One of my landscape design clients           glad I did it!”
short runs (200 feet or less) and for       lives in a town that had been on a                 This homeowner is a very con-
level sites. Any slope of more than a       total outside water ban for the last            scientious gardener—he chose plants
few degrees will result in little or no     18 months. He has spent many hours              carefully for the site conditions,
water reaching sections of the hose         and dollars beautifying his property            incorporated organic matter when he
at the highest elevations in the run.       with trees, shrubs, and perennials.             planted, used soaker hoses to target
Depending on the length of the run          He has a very small lawn that was               water use carefully; even recycled his
and the pressure at the faucet, pres-       mostly clover and crabgrass this sum-           dishwashing water to water plants.
sure reducers may need to be                mer. He was resigned to relying on              Was he right to water or not?
installed at the beginning of the run       whatever rain might come and the                I guess the answer lies somewhere
to help produce even weeping over           dishpan water to “save” some of his             between a rock and a hard place. ■
the length of the hose.                     prized plant possessions yet again                                —Kathy Sargent-O’Neill
  Drip systems (Rain Bird is one pro-       this summer.
ducer) are a bit more expensive, but           He had been a ban-abiding citizen
more versatile. A solid, plastic pipe       for 18 months, but, in mid-August—
(usually .5 inches in diameter) carries     after six straight days of temperatures
                                            over or close to 100°, and with many              WATER FACTS
the water. Wherever an emitter is
needed, a hole is poked, and any of a       plants flagging to the point of nearly
                                            lying on the ground, or, worse, sport-
                                                                                              •   Percent of adult human
variety of available emitter types is                                                         body weight contributed by
installed. This allows application of       ing crispy, brown leaves—he couldn’t              water: 50-65 (70-75 in children)
water right where it is needed.             take it any longer.
                                               Under cover of darkness, he broke
                                                                                              •   Average daily household
Choices for emmitters include drip                                                            use of water per person in the
and spray types in a range of flow          the rules and turned the soaker hoses             U.S.: 75-80 gallons
rates, so a high degree of precision is     on in the hillside gardens which
                                            baked under full sun. The next day
                                                                                              •   Percent increase in that
possible. Plus, the system can be                                                             amount over the past 30 years:
adjusted or modified as conditions          there were a few spots here and there             75
change.                                     where the earth looked darker from
                                            the moisture but there was no knock
                                                                                              •   Total daily U.S. water use
  For both types of drip systems, any                                                         (agricultural, industrial, house-
sediment in the supply water can clog       on the door; he had done it and he                hold): 35 billion gallons
or slow the flow, especially for the        was glad he did. He was so embold-
                                            ened by his previous evening’s guer-
                                                                                              •   In U.S., percent of all public
soaker hoses which will eventually                                                            and private utility-supplied
get clogged by even the smallest sized      rilla action that he moved the soakers            water accounted for by house-
particles. An inexpensive filter can        farther down to water yet another                 holds: 47
be installed to catch any sediment          very crispy area, but, alas, the next
                                            morning the water police were at his
                                                                                              •   Percent of that which goes
present in the water. ■                                                                       to outdoor uses: 30-50
                                            door to serve him with a $200 fine.
                                               The homeowner did seem a bit
                                                                                              •   Percent of outdoor water
*from The Chemical-Free Lawn by                                                               use accounted for by lawn
Warren Schultz, Chapter 6, Water            remorseful as he was relating the                 irrigation: 30-40
Wisdom                                      story. He didn’t like to break the

Cheryl Lowe is the Horticulture Director    “Children of a culture born in a water-rich environment, we have never really learned
for the New England Wild Flower Society     how important water is to us. We understand it, but we do not respect it.”
and a former board member of ELA.           —William Ashworth, Nor Any Drop to Drink, 1982


                                                                 9
“In every glass of water we drink, some of the water has already passed through fishes, trees, bacteria, worms in the soil, and many
  other organisms, including people....Living systems cleanse water and make it fit, among other things, for human consumption.”
                                               —Elliot A. Norse, Animal Extinctions



  WATER FACTS                                                 U.S. rated highest
  •   Gallons water required to
  produce a single serving of
                                                            on wasteful water use
  lettuce: 6                                                          by Sue Leeman, Associated Press
  •   Gallons of water required
                                             LONDON—Some of the world's                       “Water demand is increasing three
  to produce a single serving of
  steak: 2,600                               richest countries—including the               times as fast as the population growth
                                             United States and Japan—lag behind            rate even though no new water can be
  •   Gallons of water required
                                             some developing nations in making             created anywhere on this planet,” said
  in the manufacture of semi-
  conductors and printed circuit             the best use of water, according to           World Water Council president Mah-
  boards in one personal                     a new grading system published yes-           moud Abu Zeid.
  computer: about 12,000                     terday [Dec. 11, 2002].                          The Water Poverty Index assigns
                                                The United States was rated the            up to 20 points in each of its five cate-
                                             world's most wasteful user of water           gories, meaning a country that meets
                                             by the first Water Poverty Index.             the criteria in all five categories would
  CLIMATE STATS                                 Finland was ranked highest on the          have a score of 100. The highest-rank-
  •  Warmest year in recorded                index, which graded 147 countries
                                             according to resources, access, capac-
                                                                                           ing country, Finland, has a Water
                                                                                           Poverty Index of 78 points, while
  history: 1998
  •  Second warmest year in                  ity, use, and environmental impact.
                                             The rest of the top 10 were Canada,
                                                                                           Haiti rates 35.
                                                                                              Iceland, Ireland, Spain, Japan, and
  recorded history: 2002
  •  Third warmest year in                   Iceland, Norway, Guyana, Suriname,
                                             Austria, Ireland, Sweden, and Swit-
                                                                                           Austria were rated tops in the capac-
                                                                                           ity category, which defines a country's
  recorded history: 2001
  •  Fourth warmest year in                  zerland.
                                                The 10 countries at the bottom of the
                                                                                           ability to purchase, manage, and
                                                                                           lobby for improved water, education,
  recorded history: 1997
  •  Number of years of the past             index were: Haiti, Niger, Ethiopia,
                                             Eritrea, Malawi, Djibouti, Chad,
                                                                                           and health.
                                                                                              The bottom five were Sierra Leone,
  10 not in the top 10 warmest
  on record: 1                               Benin, Rwanda, and Burundi.                   Niger, Guinea-Bissau, Mali, and the
                                                Issues raised by the index are to be       Central African Republic—some of
                                             discussed in March at the World               the world's poorest nations.
                                             Water Forum in Japan.                            The United States was ranked 32nd
  …AND OTHER
                                                “The links between poverty, social         overall in the index, but last in effi-
  DEEP THOUGHTS
                                             deprivation, environmental integrity,         ciency.
  •   Amount sea level has risen             water availability, and health become            “The U.S. is at a relatively low
  in the last 100 years: 6 to 8              clearer in the (index), enabling policy-      position because of wasteful or ineffi-
  inches                                     makers and stakeholders to identify           cient water use practices in domestic,
  •   Amount of water held in                where problems exist and the appro-           industry, and agriculture,” said
  and below earth’s mantle (top              priate measures to deal with their            William Cosgrove of the World Water
  layer), not including ground-              causes,” said Caroline Sullivan, who          Council. “This is illustrated by the fact
  water, suggested by recent                 led the team developing the Water             that per-capita water consumption is
  studies: 5 to10 times the                  Poverty Index at the Center for               the highest in the world.”
  amount on the surface                      Ecology & Hydrology in Wallingford,              Japan ranked 34th, with a low score
                                             England. The center is part of the            on environmental factors.
                                             British government-funded Natural                The World Water Council is a non-
“For all the darkness that presently         Environment Research Council.                 profit, nongovernmental organization
confronts us and our descendants, there         One-fifth of the world's population        made up of 313 members, including
is no reason to give up. There is every      in 30 countries faced water shortages         UN agencies, other NGOs, and public
reason to take up the fight, because we      in 2000, a figure that will rise to 30        and private groups. ■
have within our grasp the power of the       percent of the population, in 50 coun-
people to force the right decisions.”        tries, by 2025, according to the World        This story ran on page A37 of the Boston
                      —Jacques Cousteau      Water Council based in Marseilles,            Globe on 12/12/2002. Reprinted here by
                                             France.                                       permission of Associated Press.



                                                                 10
Sipping from Amy Vickers’
                                   Handbook of Water Use and Conservation
                                   At $99.95, Vickers’ book would be ideal to stock in a                   Outdoor water use
                                   reference library or employed as a course guide. Its range              The amount of outdoor
                                   is broad, looking at water conservation within the house-               water use in a given region
                                   hold, in business, industry, and agricultural applications.             or within a particular
                                   Reprinted on this page are excerpts from the section on                 customer group is usually
                                   landscaping. Vickers, a member of ELA, promotes the use                 correlated with four key
                                   of native plants and other sustainable practices.                       factors: climate, amount of
                                                                                                           rainfall, water rates and the
Conservation or efficiency     LANDSCAPE IRRIGATION SCHEDULING                                             total cost of water, and
                                                                                                           household income.…On
measures…can be grouped        Efficient irrigation scheduling involves understanding                      a per-capita basis, outdoor
into two general categories:   lawn and plant water needs and setting the frequency                        water use by apartment
                               and duration of irrigations accordingly. Knowing when                       dwellers in multifamily
     (1) hardware              and how much water is needed and adjusting irrigation                       units tends to be low or
       devices or              schedules in response to changing plant and weather                         even negligible and is
      equipment                characteristics is critical to efficient water use and                      typically much lower than
                               optimal plant health. Determining how much and how                          that of residents of single-
    (2) behavior or            often water is needed is site-specific.…                                    family homes in a given
     management                   Lawns and landscapes are typically watered too often                     area when measured by
                               and too long. Many irrigated lawns and landscaped
        practices              areas can thrive on a watering schedule of once or twice
                                                                                                           household unit. Exceptions
                                                                                                           can include customers living
                               a week for periods of no more than 15 to 30 minutes.                        in affluent multifamily
“Odd/even”                     Less time is usually better than more. People some-                         complexes featuring large
irrigation                     times overwater when they see brown spots that they                         irrigated landscaped areas,
schedules can                  assume were caused by insufficient water. This is not                       swimming pools, fountains,
increase water use             always the case. Brown spots can be caused by multiple                      and maintenance practices
                               sources, including high salinity levels in the soil, over-                  involving water, such as
Communities sometimes          application of lawn chemicals, nematodes, and animals.
establish every-other-day                                                                                  sidewalk cleaning.
                               In addition, overwatering can increase lawn and plant
watering schedules—for         viruses, fungi, and insects—conditions that also create
example, during a drought                                                                                  Moisture sensors
                               brown areas. During hot summer months or periods of
—but watering schedules of     drought, many homeowners and landscape managers                             Handheld tensiometers
this frequency are generally   believe that the only way to keep lawns and plants                          and moisture sensors are
discouraged now because        alive is to deluge them with water. Such practices not                      relatively inexpensive, are
experience has shown that      only raise water bills but also increase runoff, plant                      available at lawn and
they often lead to overwa-     diseases, root rot, brown spots, and mowing and                             garden stores, and give a
tering. Schedules based on     maintenance costs.                                                          moisture reading when the
odd/even house numbers            Overwatering seems to be more common with single-                        probe is pushed into the
may appeal to consumers        family properties and other lawns and landscapes                            soil. Handheld sensors
because they are easy to       that rely on automatic irrigation systems. Automatic                        are useful for people who
remember—e.g., residents       irrigation systems are run by controllers programmed                        irrigate manually, either
at even-numbered addresses     to set the days, time of day, and length of time that                       with a hose or a sprinkler
may use water outdoors on      each irrigation valve or station will operate. When                         they turn on and off.
Tuesday, Thursday, and         programmed properly, the controller can boost water                         In-place moisture monitors
Saturday, and residents at     efficiency by giving turf and plants just the right                         are used with automatic
odd-numbered addresses         amount of water, in just the right places, for the mini-                    irrigation systems. They
may use water outdoors on      mum amount of time needed. In reality, however, the                         also have a probe that is
Wednesday, Friday, and         average water-use efficiency of automatic irrigation                        inserted into the ground,
Sunday. However, home-         systems is about 50 percent. In other words, for every                      plus a wire connecting
owners under odd/even          two gallons of water applied, one is wasted.                                them to an irrigation system
schedules sometimes                                                                                        controller.…Used properly,
assume that they should        Handbook of Water Use and Conservation: Homes, Landscapes, Busi-            moisture sensors can boost
                               nesses, Industries, Farms by Amy Vickers (WaterPlow Press, 2001) ISBN
water every other day, even    1-931579-07-5. Toll-free orders call 866-367-3300. More details about the
                                                                                                           irrigation water efficiency
though they didn’t before.     book are available at www.waterplowpress.com.                               and save water. ■


                                                                  11
ELA news
        PRESIDENT’S MESSAGE

       Keeping things in order
   Making a list, lately checking it         bership in ELA. The renewal letter         both in the classroom and on the
   about four or five times a day! I         will be mailed out soon, with the          show floor and will showcase eco-
   don’t know about you all, but life        new membership categories and              logical products and services. This is
   has been in overdrive these days. For     their benefits. Please review the          a great opportunity to learn some-
   every “to do” that gets checked off, it   information sheet enclosed with the        thing new, renew old acquaintances,
   seems like two take its place.            letter, update your member informa-        and make some new ones.
      I’m not complaining, just realizing    tion if necessary, and return it along                     MARCH
   that if I don’t write things down and     with your check. Your support is           ✔Attend the ELA round table “The
   check them frequently, all sorts of       essential to the organization. Thank       Great American Lawn; Alternatives
   things slip by, important things and      you.                                       and Cost Benefits,” on March 29.
   stuff I really want to do. I’ve been      ✔ Check your mailbox in early                              SPRING
   told that memory is an age thing, but     January for the brochure for the           ✔ Read the first installment of
   I think—at the tender age of 53—that      expanded, two-day, 9th Winter              ELA’s “Guide to Healthy Land-
   it’s a busy thing! Anyway, I hope         Conference. If you need extra copies,      scapes,” a manual designed to pro-
   you all have had a very full and          or need more information, visit our        vide easily accessible information on
   prosperous year and that this list        Web site to download what you              ecological landscaping methods.
   will help you remember some of the        need, or call the phone line (617)
                                                                                                          JULY
                                             436-5838, with your request.
   things that are important to you, too,                                               ✔ If you can plan ahead that far,
   so they don’t slip by:
                                             ✔Attend the ELA round table,
                                                                                        think about attending the ELA
                                             “Designing the Landscape with
       The “Remember To Do” List                                                        Annual Meeting and Summer
                                             Water in Mind,” Jan. 8. (Call for a
                  ANYTIME                                                               Forum which, typically, is held the
                                             brochure; registration is required
   ✔ Remember to renew our commit-                                                      third Wednesday of July. More
                                             for all round tables.)
   ment to be more ecologically mind-                                                   information will be available closer
                                                           FEBRUARY                     to the date.
   ed in our landscaping endeavors.          ✔ Remember to stop by the ELA
   We’re the ones who can make a dif-                                                      And, for the Down Time (is there
                                             table at New England Grows (Feb. 6-
   ference in what we do and how we                                                     really such a thing?), I’m sure you all
                                             8). We’d love to see you and hear
   approach the many challenges that                                                    have lots of your own stuff to add to
                                             what you’ve been up to.
   we’ll be facing in the coming year.                                                  the list.
                                             ✔Attend the ELA round table, “Turf
   ✔ Check out the ELA Web page              and Landscape: Keeping Water in               Oh, just thought of one more very
   <www.ELA-ecolandscapingassn.              Mind,” Feb. 12.                            important item to add, and it’s to
   org> for information about upcom-         ✔Attend the ELA Winter Confer-             wish you all a happy, healthy, pros-
   ing educational events and confer-        ence and Eco-Marketplace sched-            perous, and environmentally sound
   ences, links to other interesting Web     uled for Feb. 28 and March 1, 2003.        New Year. See, it’s good to check the
   sites (share your favorites with us),     This two-day event will be held            list at least twice…Happy New
   and ELA news updates.                     at the Boxborough Holiday Inn,             Year!
                  JANUARY                    Boxborough, Mass. This year’s event                        —Kathy Sargent-O’Neill
   ✔ Remember to renew your mem-             features educational presentations



NEW MEMBERSHIP CATEGORIES: To better serve                          growing network of ecologically minded colleagues. And,
our members and support our growth, we have restructured            the higher levels offer additional perks and provide ELA
the membership categories and rates, which had been                 with much needed support.
unchanged for a number of years. This change will take                We encourage you to renew or join at the highest level
effect with the next renewal cycle in January 2003.                 that is comfortable for you. We will continue to work hard
  For nonprofessionals, homeowners, and others, the “asso-          to make ELA valuable to you, and we are grateful for your
ciate” level offers an easy way to support our mission and          continued support. Watch for renewal forms in the mail
programs. The “professional” level provides benefits to help        soon.
build your business and to keep you connected to a vital,             As always, we welcome your comments and input.


                                                               12
"We call upon the waters that rim the earth, horizon to horizon, that flow in our rivers and streams,
          that fall upon our gardens and fields, and we ask that they teach us and show us the way."—Chinook Blessing



           2002-2003 round table series:                                                        2002 annual appeal
        considering water during dry times                                                      Thanks to everyone who has
                                                                                                generously responded to ELA’s

T  his season’s round tables will focus on issues of water use, quality, and conser-
   vation in the landscape, especially in times of drought.
                                                                                                annual appeal this fall. Contri-
                                                                                                butions are still coming in, and
   ELA’s round tables are designed to provide for plenty of interaction among and               we are grateful for your help. In
between both the audience and presenters. To this end, registration is limited to               these challenging financial times,
40, so be sure to call our phone line at (617) 436-5838 to request a registration form.         outside funding sources have an
Fee is $25 for ELA members and $35 for non members.                                             increasingly difficult time meet-
     Because of a number of scheduling issues, there is no round table scheduled                ing all the requests they receive.
for December. The first one will be in January. The schedule is as follows:                     While we will continue to pursue
                                                                                                grants and other inputs, we
                           January 8, 2003, 1:30-4 p.m.                                         depend in large measure on
                  Designing the landscape with water in mind                                    member support to support our
        at the Broadmoor Audubon Wildlife Sanctuary, Natick, Mass.                              programs and keep us moving
Speakers Peter Phippin, with the Merrimack Valley Planning Council, and Jean                    forward.
Akers, of the Conway School of Landscape Design, will discuss the impact of                        If you haven’t yet responded,
recent droughts and the consequences for water supplies. Other watershed issues                 it’s never too late. Contributions
and how to accommodate hydrologic functions in the design and planning                          of any amount are always wel-
process will also be considered. Case studies and sample projects will be used to               come and appreciated. Your tax-
demonstrate practical, innovative development alternatives that preserve hydro-                 deductible contributions can be
logic functions and ecological integrity.                                                       sent to ELA, 60 Thoreau Street
                         February 12, 2003, 1:30-4 p.m.                                         #252, Concord, MA 01742. Thank
                   Turf and landscape; keeping water in mind                                    you!
                 at Tower Hill Botanic Garden, Boylston, Mass.
                                                                                                ELA receives grant
Learn how to be part of the solution by incorporating environmentally sensitive
                                                                                                  ELA is proud to announce that
techniques in you business. Most of the techniques are easy to adopt; have imme-
                                                                                                we are the recipient of a generous
diate, positive environmental benefits, and are based on common sense. (Speakers
                                                                                                grant of $2,000 from the Cross-
not yet finalized as we go to print.)
                                                                                                roads Community Foundation.
                        March 29, 2003, 9 a.m.-12 p.m.                                          This is an extremely competitive
                           The great American lawn                                              year for funding and ELA was
          at Arnold Arboretum Hunnewell Building, 125 Arborway,                                 one of eight organizations select-
          Jamaica Plain, Mass. (cosponsored by Arnold Arboretum)                                ed from 49 proposals. We are
Lisa Vernegaard, with the Trustees of Reservations and contributing author of                   grateful for the Foundation’s sup-
Redesigning the American Lawn, and Tom Akin, assistant grounds superintendent at                port of our mission and programs
the Arnold Arboretum and ELA board member, will provoke us to think about                       in the Metrowest (Massachusetts)
why we—homeowners and landscape professionals—make the landscape choices                        service area. We plan to allocate
we do. Lisa will examine the history of lawns and the implications this “crop” has              this money to “capacity build-
on our water supply. Tom will demonstrate how lawns can be beautiful and                        ing,” that is, staff support and
healthy without using chemical fertilizers, pesticides, and excessive irrigation.               membership development.



ELA retreats           … but only for a day. In October, the             of itself: What really constitutes “ecological landscaping”?
ELA board held its annual retreat, this year at Massachusetts            Where do we fit among other organizations? How are we
Audubon’s Broad Meadow Brook Conservation Center and                     unique? How can we more clearly describe the organization
Wildlife Sanctuary in Worcester. The full-day session with               to prospective members and supporters?
facilitator Rhua Stakely provided an opportunity to consider                Intensive discussion, brainstorming, and summation ses-
in depth specific issues that there isn’t sufficient time to take        sions produced a lot of good thinking and output which we
up during the regular board meetings.                                    will continue to digest, refine, and integrate into our pro-
   This year, the focus was on sharpening ELA’s definition               gram and materials in the coming months.


                                                                    13
ELA news continued

Meet your                                                   Jim Marzilli
                                                             new director
                                                                                            Society; numerous symposia and con-
                                                                                            ferences (including the excellent Native
board of                                          I am in my sixth term in the Massa-       Plants in the Landscape conference in
                                               chusetts House of Representatives,           Millersville, Pa., the New Directions in
directors (continued)                          representing Arlington and West              the American Landscape symposium in
In the last issue, we began to introduce the   Medford. I maintain a 6,000-square-          Pennsylvania and Connecticut, and, of
diverse and eclectic members of our board      foot, ecologically sustainable, suburban     course, ELA’s own Winter Conference).
of directors. Following are the descriptions   garden with an emphasis on plants               Despite a missing gene for business
for the balance of the board.                  native to the East Coast.                    management, i’m currently running my
                                                 I am active in a wide range of envi-       own small landscaping design and
                                               ronmental policy issues. I serve on two      installation business in eastern Massa-
          M.L Altobelli                        public-private partnerships organized        chusetts. That i have yet to do any
    education committee chair,                 by the U.S. Fisheries and Wildlife           advertising for the business—but am as
manual and marketplace coordinator,            Service, working to restore native           busy as i want to be—attests to the
        steering committee,                    plant species and removing nonnative,        growing demand for a different kind of
         continuing director                   invasive species. I initiated the Green      landscaping service. I concentrate on
I’ve been part of the ELA board since          Streets, Green Cities program to restore     “natural” plantings (meadows, wood-
its inception. I’ve been most involved         urban green areas using volunteers and       land/shade gardens, native plants), but
with the educational component of              native plants. I am active at the national   also do a fair amount of lawn fertility
ELA. I’m currently working on The              level in urban forestry issues.              and pest management, hardscape work,
Guide to Healthy Landscapes and the new          I am a member of the Board of              etc.
eco-marketplace.                               Trustees of New England Wild Flower             My motivation to enter the landscap-
   I run a small horticultural service         Society and, now, the Ecological Land-       ing field was based, in large part, on a
business in north-central Massachu-            scaping Association. I was named             concern for the environment, and i
setts. It includes design, installation,       Environmental Legislator of the Year         suppose one could say i even take an
and maintenance of annuals, perenni-           by the Environmental League of               activist’s approach in my work when-
als, trees, and shrubs. I love color and       Massachusetts in 2001.                       ever i can. When possible, i try to view
variety and I’m not fond of lawns! I                                                        clients’ properties as opportunities to
use organic soil development as the                                                         restore part of the environment to a
                                                           Nick Novick                      healthier state.
foundation of all of the gardens, but I                   newsletter editor,
do not consider myself an organic land-                                                        The personal and professional con-
                                                        steering committee,                 nections i’ve made through ELA have
scaper and probably never will. My                       continuing director
clients do not care what I do as long as                                                    been invaluable in the growth of my
                                               I’ve been actively involved with ELA         professional knowledge, and have led
the gardens look great, and I prefer the
                                               for about six years now. My time in          to some great friendships and acquain-
flexibility of looking at all of the factors
                                               landscaping extends only a little longer     tances. I’m grateful to be involved with
involved in a given garden and making
                                               than that, having shifted from a 10-year     such a fine group of dedicated, fun
the best decision available for both the
                                               stint where photography was mostly           people.
client and the environment.
                                               responsible for paying the bills. Despite       As health and environment concerns
    My favorite part of ecological land-
                                               an academic background in natural            continue to grow, the kind of informa-
scaping is creating healthy soils and
                                               sciences (B.S. Environmental Conserva-       tion ELA provides will be increasingly
therefore creating an environment
                                               tion, UNH), until recently i had been        important. A still relatively young and
for healthy plants and people. I’m
                                               mostly working in publications pro-          small organization, ELA will face new
currently working with brewed com-
                                               duction and photography. And here i          challenges as it grows to the next level
post teas (Dr. Elaine Ingham’s work)
                                               am with ELA, still blending most of          of organizational maturity. I look for-
and soil remineralization for weak
                                               those interests.                             ward to helping ELA develop in its
trees.
                                                  Additional training in landscaping        capacity to provide practical informa-
                                               and horticulture included UMass              tion on sustainable tools and facilitate
                                               Extension’s Green School; the certificate    connections between people in the
                                               program at New England Wild Flower           spirit of our mission.




                                                                  14
Chris O’Brien                    garden management and outreach,                        Diane Syverson
 vice-president, steering committee,        from the University of Washington.                 public relations coordinator,
         continuing director                After completing my degree, it was                    steering committee,
I joined the ELA about two years ago        only natural for me to find my way                         new director
because it is one of the few organiza-      back to native plant horticulture. Cur-       I am honored to be joining the board of
tions concerned primarily with the          rently, I am a horticulturist at Garden       ELA, a group with a mission and an
environmental effects of the work           in the Woods, the botanical garden of         organization to lead the way for other
performed by landscape professionals.       the New England Wild Flower Society.          regions of the country.
I agreed to serve on the Board of the          I have a wide range of horticultural          For many years I worked within the
ELA because I think that my previous        interests, plus many other related inter-     arboretum and botanic garden commu-
experience working on the boards of         ests. I am very dedicated to the educa-       nity, with elementary school children
similar organizations can contribute to     tion of professionals and the public          and teachers. Then my job was to find
achieving the goals of ELA.                 about environmentally friendly land-          ways to encourage learners to think
   Previous experience includes work        scaping concepts that will enhance and        more deeply and often about plants.
for trade, professional, and other not-     build healthier surroundings for our          To build their understanding about
for-profit organizations, as well as in     communities. I look forward to serving        how incredibly interesting plants are
the energy area. I currently help           ELA as a board member and providing           and how we depend upon them for life.
operate Howard Garden Designs Inc.,         my expertise and enthusiasm to the            A stimulating professional network
which is a landscape design and build       growth of our organization.                   was automatically part of working at
firm based in Newton, Mass.                                                               the Arnold Arboretum in Jamaica Plain,
   Like most gardeners, I spend a lot                    Sue Storer                       Mass.
of time fiddling around with our own            treasurer, steering committee,               Now I am starting a small garden
gardens, but I also am interested in                 continuing director                  design business. I am especially curious
blacksmithing and the creation of iron                                                    to find ways to help clients develop
works for the garden and house.             I have been on ELA’s board of directors       their own awareness of their home’s
                                            from its inception in the early ’90s. This    landscape ecology. This is a compli-
                                            organization has given me the informa-        cated job. To succeed, I need a profes-
            Tom Smarr                       tion and support I have needed to put
          membership chair,                                                               sional network which shares a commit-
                                            (at least some of) my ideals into practice    ment to changing the way we value the
          continuing director               in my landscaping work. Over the past         ecology of place—in our gardens and
My appreciation for nature developed        10 years, I have helped coordinate the        communities. A network to help me
during my youthful days in the moun-        organic lawn-care standards group;            stay interested and informed. One
tains of north central Pennsylvania.        have organized round tables, annual           with which to share and develop ideas,
As a result, in part, of my several years   meetings, and board retreats; and have        stretch thinking, trade frustrations.
of frolicking through the forests and       served as president, secretary, and now       Many thanks to those who founded the
farm fields, I studied Environmental        treasurer. It has been a thrill to see what   Ecological Landscaping Association.
Studies at a little-known school called     this group has been able to accomplish        I am pleased to be a member! ■
Slippery Rock University of Pennsyl-        together so far, and I am very excited
vania (located north of Pittsburgh).        about our goals for the next several
   After completing my BS degree, a         years.                                                          ***
more demanding call to horticulture            My work in horticulture began in the       Note: Terry Bastian has resigned from
immersed me into the beautiful world        fields at Weston Nurseries (including a       the board for personal reasons.
of public gardens. During my several        stint as a mule driver). I have worked
years of work experience and studies,       as the horticulturist at Garden in the
I found myself in Seattle, Wash. There,     Woods, ran my own garden design and
I worked as a gardener and nursery          maintenance business, and managed an
salesman, and was the interim Edu-          old estate undergoing massive renova-
cation/Outreach Coordinator for the         tions (it had all the elements of a good
Center for Urban Horticulture. I also       British sitcom). I am currently working
completed a master’s degree in Urban        part time as a subcontractor doing
Horticulture, specializing in public        garden installation and maintenance.




                                                                15
MA: WaterWise Landscaping to Fight the Water Crisis and Drought
MA: WaterWise Landscaping to Fight the Water Crisis and Drought
MA: WaterWise Landscaping to Fight the Water Crisis and Drought
MA: WaterWise Landscaping to Fight the Water Crisis and Drought
MA: WaterWise Landscaping to Fight the Water Crisis and Drought

Más contenido relacionado

La actualidad más candente

Bayscaping to Conserve Water: A Homeowner's Guide - Chesapeake Bay, Maryland
Bayscaping to Conserve Water: A Homeowner's Guide - Chesapeake Bay, MarylandBayscaping to Conserve Water: A Homeowner's Guide - Chesapeake Bay, Maryland
Bayscaping to Conserve Water: A Homeowner's Guide - Chesapeake Bay, MarylandKama158x
 
Xeriscaping: An Approach To Water Conserving Landscapes - Greater Victoria Co...
Xeriscaping: An Approach To Water Conserving Landscapes - Greater Victoria Co...Xeriscaping: An Approach To Water Conserving Landscapes - Greater Victoria Co...
Xeriscaping: An Approach To Water Conserving Landscapes - Greater Victoria Co...Eric851q
 
North Carolina: Designing Rain Gardens - Bio-Retention Areas
North Carolina: Designing Rain Gardens - Bio-Retention AreasNorth Carolina: Designing Rain Gardens - Bio-Retention Areas
North Carolina: Designing Rain Gardens - Bio-Retention AreasSotirakou964
 
The Complete How to Guide to Xeriscaping - Albuquerque, New Mexico
The Complete How to Guide to Xeriscaping - Albuquerque, New MexicoThe Complete How to Guide to Xeriscaping - Albuquerque, New Mexico
The Complete How to Guide to Xeriscaping - Albuquerque, New MexicoEric832w
 
KY: Lexington-Fayette Urban County: Rain Garden Manual
KY: Lexington-Fayette Urban County: Rain Garden ManualKY: Lexington-Fayette Urban County: Rain Garden Manual
KY: Lexington-Fayette Urban County: Rain Garden ManualSotirakou964
 
Stormwater Planters
Stormwater PlantersStormwater Planters
Stormwater PlantersSotirakou964
 
Introduction to Stormwater BMP's in North Carolina
Introduction to Stormwater BMP's in North CarolinaIntroduction to Stormwater BMP's in North Carolina
Introduction to Stormwater BMP's in North CarolinaKurt Bland
 
KY: Rain Garden Manual - Bluegrass Rain Garden Alliance
KY: Rain Garden Manual - Bluegrass Rain Garden AllianceKY: Rain Garden Manual - Bluegrass Rain Garden Alliance
KY: Rain Garden Manual - Bluegrass Rain Garden AllianceSotirakou964
 
Community Rainwater Harvesting in Developing Countries
Community Rainwater Harvesting in Developing CountriesCommunity Rainwater Harvesting in Developing Countries
Community Rainwater Harvesting in Developing CountriesD4Z
 
River Basin Center: Rain Gardens
River Basin Center: Rain GardensRiver Basin Center: Rain Gardens
River Basin Center: Rain GardensSotirakou964
 
Winooski Rain Garden Project
Winooski Rain Garden ProjectWinooski Rain Garden Project
Winooski Rain Garden ProjectSotirakou964
 
Kansas Rain Garden Manual
Kansas Rain Garden ManualKansas Rain Garden Manual
Kansas Rain Garden ManualSotirakou964
 
Uses and Exploitation of Water Conflicts Over Water- National and Internatio...
Uses and Exploitation of Water  Conflicts Over Water- National and Internatio...Uses and Exploitation of Water  Conflicts Over Water- National and Internatio...
Uses and Exploitation of Water Conflicts Over Water- National and Internatio...Rajeshwari jagadish
 
The 7 Principles of Xeriscape - Parker, Colorado
The 7 Principles of Xeriscape - Parker, ColoradoThe 7 Principles of Xeriscape - Parker, Colorado
The 7 Principles of Xeriscape - Parker, ColoradoEric832w
 
Waterwise Gardening: Creating Your Own Xeriscape - Oregon State University
Waterwise Gardening: Creating Your Own Xeriscape - Oregon State UniversityWaterwise Gardening: Creating Your Own Xeriscape - Oregon State University
Waterwise Gardening: Creating Your Own Xeriscape - Oregon State UniversityEric832w
 
Xeriscape: Seven Steps to a Water-Wise Landscape, Make Every Drop Count - Geo...
Xeriscape: Seven Steps to a Water-Wise Landscape, Make Every Drop Count - Geo...Xeriscape: Seven Steps to a Water-Wise Landscape, Make Every Drop Count - Geo...
Xeriscape: Seven Steps to a Water-Wise Landscape, Make Every Drop Count - Geo...Simm846q
 
Water-Wise Gardening - University of California, Stanislaus
Water-Wise Gardening - University of California, StanislausWater-Wise Gardening - University of California, Stanislaus
Water-Wise Gardening - University of California, StanislausFiorella58v
 
Waterfall, patricia h. (universidad de arizona) harvesting rainwater
Waterfall, patricia h. (universidad de arizona)   harvesting rainwaterWaterfall, patricia h. (universidad de arizona)   harvesting rainwater
Waterfall, patricia h. (universidad de arizona) harvesting rainwaterPlan Huerta
 
EPA Rainwater Harvesting Manual
EPA Rainwater Harvesting ManualEPA Rainwater Harvesting Manual
EPA Rainwater Harvesting ManualD6Z
 

La actualidad más candente (20)

Bayscaping to Conserve Water: A Homeowner's Guide - Chesapeake Bay, Maryland
Bayscaping to Conserve Water: A Homeowner's Guide - Chesapeake Bay, MarylandBayscaping to Conserve Water: A Homeowner's Guide - Chesapeake Bay, Maryland
Bayscaping to Conserve Water: A Homeowner's Guide - Chesapeake Bay, Maryland
 
Rainy Day Gardens
Rainy Day GardensRainy Day Gardens
Rainy Day Gardens
 
Xeriscaping: An Approach To Water Conserving Landscapes - Greater Victoria Co...
Xeriscaping: An Approach To Water Conserving Landscapes - Greater Victoria Co...Xeriscaping: An Approach To Water Conserving Landscapes - Greater Victoria Co...
Xeriscaping: An Approach To Water Conserving Landscapes - Greater Victoria Co...
 
North Carolina: Designing Rain Gardens - Bio-Retention Areas
North Carolina: Designing Rain Gardens - Bio-Retention AreasNorth Carolina: Designing Rain Gardens - Bio-Retention Areas
North Carolina: Designing Rain Gardens - Bio-Retention Areas
 
The Complete How to Guide to Xeriscaping - Albuquerque, New Mexico
The Complete How to Guide to Xeriscaping - Albuquerque, New MexicoThe Complete How to Guide to Xeriscaping - Albuquerque, New Mexico
The Complete How to Guide to Xeriscaping - Albuquerque, New Mexico
 
KY: Lexington-Fayette Urban County: Rain Garden Manual
KY: Lexington-Fayette Urban County: Rain Garden ManualKY: Lexington-Fayette Urban County: Rain Garden Manual
KY: Lexington-Fayette Urban County: Rain Garden Manual
 
Stormwater Planters
Stormwater PlantersStormwater Planters
Stormwater Planters
 
Introduction to Stormwater BMP's in North Carolina
Introduction to Stormwater BMP's in North CarolinaIntroduction to Stormwater BMP's in North Carolina
Introduction to Stormwater BMP's in North Carolina
 
KY: Rain Garden Manual - Bluegrass Rain Garden Alliance
KY: Rain Garden Manual - Bluegrass Rain Garden AllianceKY: Rain Garden Manual - Bluegrass Rain Garden Alliance
KY: Rain Garden Manual - Bluegrass Rain Garden Alliance
 
Community Rainwater Harvesting in Developing Countries
Community Rainwater Harvesting in Developing CountriesCommunity Rainwater Harvesting in Developing Countries
Community Rainwater Harvesting in Developing Countries
 
River Basin Center: Rain Gardens
River Basin Center: Rain GardensRiver Basin Center: Rain Gardens
River Basin Center: Rain Gardens
 
Winooski Rain Garden Project
Winooski Rain Garden ProjectWinooski Rain Garden Project
Winooski Rain Garden Project
 
Kansas Rain Garden Manual
Kansas Rain Garden ManualKansas Rain Garden Manual
Kansas Rain Garden Manual
 
Uses and Exploitation of Water Conflicts Over Water- National and Internatio...
Uses and Exploitation of Water  Conflicts Over Water- National and Internatio...Uses and Exploitation of Water  Conflicts Over Water- National and Internatio...
Uses and Exploitation of Water Conflicts Over Water- National and Internatio...
 
The 7 Principles of Xeriscape - Parker, Colorado
The 7 Principles of Xeriscape - Parker, ColoradoThe 7 Principles of Xeriscape - Parker, Colorado
The 7 Principles of Xeriscape - Parker, Colorado
 
Waterwise Gardening: Creating Your Own Xeriscape - Oregon State University
Waterwise Gardening: Creating Your Own Xeriscape - Oregon State UniversityWaterwise Gardening: Creating Your Own Xeriscape - Oregon State University
Waterwise Gardening: Creating Your Own Xeriscape - Oregon State University
 
Xeriscape: Seven Steps to a Water-Wise Landscape, Make Every Drop Count - Geo...
Xeriscape: Seven Steps to a Water-Wise Landscape, Make Every Drop Count - Geo...Xeriscape: Seven Steps to a Water-Wise Landscape, Make Every Drop Count - Geo...
Xeriscape: Seven Steps to a Water-Wise Landscape, Make Every Drop Count - Geo...
 
Water-Wise Gardening - University of California, Stanislaus
Water-Wise Gardening - University of California, StanislausWater-Wise Gardening - University of California, Stanislaus
Water-Wise Gardening - University of California, Stanislaus
 
Waterfall, patricia h. (universidad de arizona) harvesting rainwater
Waterfall, patricia h. (universidad de arizona)   harvesting rainwaterWaterfall, patricia h. (universidad de arizona)   harvesting rainwater
Waterfall, patricia h. (universidad de arizona) harvesting rainwater
 
EPA Rainwater Harvesting Manual
EPA Rainwater Harvesting ManualEPA Rainwater Harvesting Manual
EPA Rainwater Harvesting Manual
 

Destacado

PA: Philadelphia: Green Roof Demonstration Project
PA: Philadelphia: Green Roof Demonstration ProjectPA: Philadelphia: Green Roof Demonstration Project
PA: Philadelphia: Green Roof Demonstration ProjectSotirakou964
 
Pennsylvania native plants for rain gardens
Pennsylvania native plants for rain gardensPennsylvania native plants for rain gardens
Pennsylvania native plants for rain gardensSotirakou964
 
Canada: Allston Brighton: Green Streets Guide
Canada: Allston Brighton: Green Streets Guide Canada: Allston Brighton: Green Streets Guide
Canada: Allston Brighton: Green Streets Guide Sotirakou964
 
Watershed Impact - for Public Lands
Watershed Impact - for Public LandsWatershed Impact - for Public Lands
Watershed Impact - for Public LandsSotirakou964
 
Water harvesting: Past and Future
Water harvesting: Past and FutureWater harvesting: Past and Future
Water harvesting: Past and FutureSotirakou964
 
Rain Garden - How to Guide Sheets
Rain Garden - How to Guide SheetsRain Garden - How to Guide Sheets
Rain Garden - How to Guide SheetsSotirakou964
 
MI: Landscaping For Water Quality
MI: Landscaping For Water QualityMI: Landscaping For Water Quality
MI: Landscaping For Water QualitySotirakou964
 

Destacado (7)

PA: Philadelphia: Green Roof Demonstration Project
PA: Philadelphia: Green Roof Demonstration ProjectPA: Philadelphia: Green Roof Demonstration Project
PA: Philadelphia: Green Roof Demonstration Project
 
Pennsylvania native plants for rain gardens
Pennsylvania native plants for rain gardensPennsylvania native plants for rain gardens
Pennsylvania native plants for rain gardens
 
Canada: Allston Brighton: Green Streets Guide
Canada: Allston Brighton: Green Streets Guide Canada: Allston Brighton: Green Streets Guide
Canada: Allston Brighton: Green Streets Guide
 
Watershed Impact - for Public Lands
Watershed Impact - for Public LandsWatershed Impact - for Public Lands
Watershed Impact - for Public Lands
 
Water harvesting: Past and Future
Water harvesting: Past and FutureWater harvesting: Past and Future
Water harvesting: Past and Future
 
Rain Garden - How to Guide Sheets
Rain Garden - How to Guide SheetsRain Garden - How to Guide Sheets
Rain Garden - How to Guide Sheets
 
MI: Landscaping For Water Quality
MI: Landscaping For Water QualityMI: Landscaping For Water Quality
MI: Landscaping For Water Quality
 

Similar a MA: WaterWise Landscaping to Fight the Water Crisis and Drought

Biodiversity loss and the global water crisis - A fact book on the links betw...
Biodiversity loss and the global water crisis - A fact book on the links betw...Biodiversity loss and the global water crisis - A fact book on the links betw...
Biodiversity loss and the global water crisis - A fact book on the links betw...Wetlands International
 
Scientific Facts on Water Resources
Scientific Facts on Water Resources Scientific Facts on Water Resources
Scientific Facts on Water Resources GreenFacts
 
Water resources engg lec
Water resources engg lecWater resources engg lec
Water resources engg lecGeneth Balictar
 
Water resource use and consiousness
Water resource use and consiousnessWater resource use and consiousness
Water resource use and consiousnessAkil Shaikh
 
Awareness of Pollution to Our Watersheds
Awareness of Pollution to Our Watersheds  Awareness of Pollution to Our Watersheds
Awareness of Pollution to Our Watersheds P9P
 
Kavya Desai 10-B S.S Project Water Resources.pptx
Kavya Desai 10-B S.S Project Water Resources.pptxKavya Desai 10-B S.S Project Water Resources.pptx
Kavya Desai 10-B S.S Project Water Resources.pptxsanjeev kumar
 
Naturalresouseswater 100529170048-phpapp02
Naturalresouseswater 100529170048-phpapp02Naturalresouseswater 100529170048-phpapp02
Naturalresouseswater 100529170048-phpapp02Vipin Soni
 
Water management and
Water management andWater management and
Water management andJaxy Peilun
 
Freshwater ecosystem (2)
Freshwater ecosystem (2)Freshwater ecosystem (2)
Freshwater ecosystem (2)Abhishek Kanwar
 
20091127 Fr Groundwater Group 4 4+5
20091127 Fr Groundwater Group 4 4+520091127 Fr Groundwater Group 4 4+5
20091127 Fr Groundwater Group 4 4+5SzSS
 
Water resources.
Water resources.Water resources.
Water resources.sabinameraj
 
pollution of water and water source, water quality
pollution of water and water source, water qualitypollution of water and water source, water quality
pollution of water and water source, water qualitysarahrashid24
 

Similar a MA: WaterWise Landscaping to Fight the Water Crisis and Drought (20)

Biodiversity loss and the global water crisis - A fact book on the links betw...
Biodiversity loss and the global water crisis - A fact book on the links betw...Biodiversity loss and the global water crisis - A fact book on the links betw...
Biodiversity loss and the global water crisis - A fact book on the links betw...
 
Scientific Facts on Water Resources
Scientific Facts on Water Resources Scientific Facts on Water Resources
Scientific Facts on Water Resources
 
Water resources engg lec
Water resources engg lecWater resources engg lec
Water resources engg lec
 
Standard 9 digital text
Standard 9 digital textStandard 9 digital text
Standard 9 digital text
 
Water Resources Essay
Water Resources EssayWater Resources Essay
Water Resources Essay
 
Water resource use and consiousness
Water resource use and consiousnessWater resource use and consiousness
Water resource use and consiousness
 
Awareness of Pollution to Our Watersheds
Awareness of Pollution to Our Watersheds  Awareness of Pollution to Our Watersheds
Awareness of Pollution to Our Watersheds
 
BIO-REMEDIATION OF HEAVY METALS FROM DRINKING WATER BY THE HELP OF MICROORGAN...
BIO-REMEDIATION OF HEAVY METALS FROM DRINKING WATER BY THE HELP OF MICROORGAN...BIO-REMEDIATION OF HEAVY METALS FROM DRINKING WATER BY THE HELP OF MICROORGAN...
BIO-REMEDIATION OF HEAVY METALS FROM DRINKING WATER BY THE HELP OF MICROORGAN...
 
Kavya Desai 10-B S.S Project Water Resources.pptx
Kavya Desai 10-B S.S Project Water Resources.pptxKavya Desai 10-B S.S Project Water Resources.pptx
Kavya Desai 10-B S.S Project Water Resources.pptx
 
Naturalresouseswater 100529170048-phpapp02
Naturalresouseswater 100529170048-phpapp02Naturalresouseswater 100529170048-phpapp02
Naturalresouseswater 100529170048-phpapp02
 
Water management and
Water management andWater management and
Water management and
 
Freshwater ecosystem (2)
Freshwater ecosystem (2)Freshwater ecosystem (2)
Freshwater ecosystem (2)
 
20091127 Fr Groundwater Group 4 4+5
20091127 Fr Groundwater Group 4 4+520091127 Fr Groundwater Group 4 4+5
20091127 Fr Groundwater Group 4 4+5
 
Wetlands
WetlandsWetlands
Wetlands
 
Essay On The Global Water Shortage
Essay On The Global Water ShortageEssay On The Global Water Shortage
Essay On The Global Water Shortage
 
Water resources
Water resourcesWater resources
Water resources
 
Water resources.
Water resources.Water resources.
Water resources.
 
pollution of water and water source, water quality
pollution of water and water source, water qualitypollution of water and water source, water quality
pollution of water and water source, water quality
 
Water resourse
Water resourseWater resourse
Water resourse
 
water resources
water resourceswater resources
water resources
 

Más de Sotirakou964

Water harvesting and development for improving productivity - Part 2
Water harvesting and development for improving productivity - Part 2Water harvesting and development for improving productivity - Part 2
Water harvesting and development for improving productivity - Part 2Sotirakou964
 
Santa Monica CA Rainwater Harvesting Manual
Santa Monica CA Rainwater Harvesting ManualSanta Monica CA Rainwater Harvesting Manual
Santa Monica CA Rainwater Harvesting ManualSotirakou964
 
Santa Barbarba Sustainable Landscaping Manual
Santa Barbarba Sustainable Landscaping ManualSanta Barbarba Sustainable Landscaping Manual
Santa Barbarba Sustainable Landscaping ManualSotirakou964
 
Sacaramento CA: Lawnless and Loving It Manual
Sacaramento CA: Lawnless and Loving It ManualSacaramento CA: Lawnless and Loving It Manual
Sacaramento CA: Lawnless and Loving It ManualSotirakou964
 
Restoring Chesapeake Landscapes
Restoring Chesapeake LandscapesRestoring Chesapeake Landscapes
Restoring Chesapeake LandscapesSotirakou964
 
Rainwater Tanks and Jars Construction Manual - Rainwater Harvesting
Rainwater Tanks and Jars Construction Manual - Rainwater HarvestingRainwater Tanks and Jars Construction Manual - Rainwater Harvesting
Rainwater Tanks and Jars Construction Manual - Rainwater HarvestingSotirakou964
 
Pomegranate Center Green Roof Manual
Pomegranate Center Green Roof ManualPomegranate Center Green Roof Manual
Pomegranate Center Green Roof ManualSotirakou964
 
Organic Gardening: Natural Insecticides
Organic Gardening: Natural InsecticidesOrganic Gardening: Natural Insecticides
Organic Gardening: Natural InsecticidesSotirakou964
 
OR: Portland: Multnomah Building Green Roof
OR: Portland: Multnomah Building Green RoofOR: Portland: Multnomah Building Green Roof
OR: Portland: Multnomah Building Green RoofSotirakou964
 
New York City: Rainwater Harvesting Manual
New York City: Rainwater Harvesting ManualNew York City: Rainwater Harvesting Manual
New York City: Rainwater Harvesting ManualSotirakou964
 
Los Angeles Rainwater Harvesting Manual
Los Angeles Rainwater Harvesting ManualLos Angeles Rainwater Harvesting Manual
Los Angeles Rainwater Harvesting ManualSotirakou964
 
Beyond More Crop per Drop: Farming & Sustainable Development
Beyond More Crop per Drop: Farming & Sustainable DevelopmentBeyond More Crop per Drop: Farming & Sustainable Development
Beyond More Crop per Drop: Farming & Sustainable DevelopmentSotirakou964
 
Caribbean Rainwater Harvesting Manual
Caribbean Rainwater Harvesting ManualCaribbean Rainwater Harvesting Manual
Caribbean Rainwater Harvesting ManualSotirakou964
 
AK: Green Roofs For Your Home
AK: Green Roofs For Your HomeAK: Green Roofs For Your Home
AK: Green Roofs For Your HomeSotirakou964
 
Waterbird Conservation for the Americas
Waterbird Conservation for the AmericasWaterbird Conservation for the Americas
Waterbird Conservation for the AmericasSotirakou964
 
Nisqually National Wildlife Refuge Educator's Guide
Nisqually National Wildlife Refuge Educator's GuideNisqually National Wildlife Refuge Educator's Guide
Nisqually National Wildlife Refuge Educator's GuideSotirakou964
 
AWARE Kid's Teacher's Guide
AWARE Kid's Teacher's GuideAWARE Kid's Teacher's Guide
AWARE Kid's Teacher's GuideSotirakou964
 
Stream Ecosystem Teacher's Guide
Stream Ecosystem Teacher's GuideStream Ecosystem Teacher's Guide
Stream Ecosystem Teacher's GuideSotirakou964
 
Coldwater Conservation Education Guide
Coldwater Conservation Education GuideColdwater Conservation Education Guide
Coldwater Conservation Education GuideSotirakou964
 
Coldwater Conservation Education Guide
Coldwater Conservation Education GuideColdwater Conservation Education Guide
Coldwater Conservation Education GuideSotirakou964
 

Más de Sotirakou964 (20)

Water harvesting and development for improving productivity - Part 2
Water harvesting and development for improving productivity - Part 2Water harvesting and development for improving productivity - Part 2
Water harvesting and development for improving productivity - Part 2
 
Santa Monica CA Rainwater Harvesting Manual
Santa Monica CA Rainwater Harvesting ManualSanta Monica CA Rainwater Harvesting Manual
Santa Monica CA Rainwater Harvesting Manual
 
Santa Barbarba Sustainable Landscaping Manual
Santa Barbarba Sustainable Landscaping ManualSanta Barbarba Sustainable Landscaping Manual
Santa Barbarba Sustainable Landscaping Manual
 
Sacaramento CA: Lawnless and Loving It Manual
Sacaramento CA: Lawnless and Loving It ManualSacaramento CA: Lawnless and Loving It Manual
Sacaramento CA: Lawnless and Loving It Manual
 
Restoring Chesapeake Landscapes
Restoring Chesapeake LandscapesRestoring Chesapeake Landscapes
Restoring Chesapeake Landscapes
 
Rainwater Tanks and Jars Construction Manual - Rainwater Harvesting
Rainwater Tanks and Jars Construction Manual - Rainwater HarvestingRainwater Tanks and Jars Construction Manual - Rainwater Harvesting
Rainwater Tanks and Jars Construction Manual - Rainwater Harvesting
 
Pomegranate Center Green Roof Manual
Pomegranate Center Green Roof ManualPomegranate Center Green Roof Manual
Pomegranate Center Green Roof Manual
 
Organic Gardening: Natural Insecticides
Organic Gardening: Natural InsecticidesOrganic Gardening: Natural Insecticides
Organic Gardening: Natural Insecticides
 
OR: Portland: Multnomah Building Green Roof
OR: Portland: Multnomah Building Green RoofOR: Portland: Multnomah Building Green Roof
OR: Portland: Multnomah Building Green Roof
 
New York City: Rainwater Harvesting Manual
New York City: Rainwater Harvesting ManualNew York City: Rainwater Harvesting Manual
New York City: Rainwater Harvesting Manual
 
Los Angeles Rainwater Harvesting Manual
Los Angeles Rainwater Harvesting ManualLos Angeles Rainwater Harvesting Manual
Los Angeles Rainwater Harvesting Manual
 
Beyond More Crop per Drop: Farming & Sustainable Development
Beyond More Crop per Drop: Farming & Sustainable DevelopmentBeyond More Crop per Drop: Farming & Sustainable Development
Beyond More Crop per Drop: Farming & Sustainable Development
 
Caribbean Rainwater Harvesting Manual
Caribbean Rainwater Harvesting ManualCaribbean Rainwater Harvesting Manual
Caribbean Rainwater Harvesting Manual
 
AK: Green Roofs For Your Home
AK: Green Roofs For Your HomeAK: Green Roofs For Your Home
AK: Green Roofs For Your Home
 
Waterbird Conservation for the Americas
Waterbird Conservation for the AmericasWaterbird Conservation for the Americas
Waterbird Conservation for the Americas
 
Nisqually National Wildlife Refuge Educator's Guide
Nisqually National Wildlife Refuge Educator's GuideNisqually National Wildlife Refuge Educator's Guide
Nisqually National Wildlife Refuge Educator's Guide
 
AWARE Kid's Teacher's Guide
AWARE Kid's Teacher's GuideAWARE Kid's Teacher's Guide
AWARE Kid's Teacher's Guide
 
Stream Ecosystem Teacher's Guide
Stream Ecosystem Teacher's GuideStream Ecosystem Teacher's Guide
Stream Ecosystem Teacher's Guide
 
Coldwater Conservation Education Guide
Coldwater Conservation Education GuideColdwater Conservation Education Guide
Coldwater Conservation Education Guide
 
Coldwater Conservation Education Guide
Coldwater Conservation Education GuideColdwater Conservation Education Guide
Coldwater Conservation Education Guide
 

MA: WaterWise Landscaping to Fight the Water Crisis and Drought

  • 1. The Newsletter of The Ecological Landscaping Association Vol. 9, No. 3 Fall 2002 Water by Robert Hsin We hope you find the content of this special water issue valuable as reference and incentive ater has historically been water supply, much of which is locked droughts, extinction of native plants W viewed as the source of life in almost all human cultures, and with good reason. The origins of civilization have always in the polar ice caps1. This false con- ception has led to extremely unsus- tainable modern methods of water management to provide for our urban and animals, water contamination, and depletion of freshwater reserves. In addition to these direct environ- mental problems, the processes of been closely tied to large bodies of centers. extracting, storing, distributing and water. The Yellow River in China, heating water is also energy the Euphrates in Persia, and the intensive. Hence sustainable Nile in Egypt enabled those early “The highest good is like water. water management must consid- empires to flourish. However, Water gives life to the ten thousand er both watershed protection our urban centers today are far things and does not strive. and water conservation. more populated and require much more water than these early It flows in places men reject Protecting the watershed civilizations. The abundance of and so is like the Tao.” The site’s natural watershed is water on the globe has given —Excerpt from the responsible for providing water mankind the false conception of to the environment. Managing fresh water as an infinite resource. Tao Te Ching, chapter 8 this watershed sustainably can In fact, freshwater comprises enhance the natural habitat, con- only 3 percent of the earth’s total Understanding the earth’s natural serve water, and provide long term water cycle and the land’s watershed water storage and flood protection. are the keys to sustainable water within: management. The process is relatively Water sources Editor’s two cents. . . . . . . . . . . . 2 simple to explain, in contrast, the Water sources are primarily drawn U.S. suffers under drought . . . 5 effects of our alterations—even minor from groundwater (underground Water-conserving practices . . . 6 ones, are extremely complex. In short, wells and springs), and surface water Rain garden plants. . . . . . . . . . . 7 the sun evaporates water into the (lakes, rivers, and streams). Conver- Wise watering . . . . . . . . . . . . . . . 8 atmosphere, forming it into clouds. sion of saltwater into freshwater is Do the right thing?! . . . . . . . . . . 9 The water is then released back to also possible, but the difficulty and U.S., highest wastefulness . . . 10 the earth in the form of precipitation energy intensity of this process makes Handbook of water use where it flows through the land, it a viable solution only in very limited and conservation . . . . . . . . . 11 supplying all the life forms before areas. The main objectives are to pro- ELA news. . . . . . . . . . . . . . . . . . 12 returning to the rivers, lakes, and tect these water sources from contam- BOD profiles cont’d. . . . . . . . . 14 oceans, where the cycle is repeated ination and ensure the natural replen- Gleanings . . . . . . . . . . . . . . . . . 16 again. The path of the water along ishing of them. Protecting the water- Darke book review . . . . . . . . . 18 the land is defined as the watershed. shed therefore, becomes the highest Events . . . . . . . . . . . . . . . . . . . . . 19 Man’s interventions to this water- priority in sustainable water manage- Resources . . . . . . . . . . back cover shed has led to many environmental ment. problems including, flooding, Water continued on page 3
  • 2. “Gramma said when you come on something good, first thing to do is share it with whoever you can find; EDITOR’S TWO CENTS that way the good spread out where no telling it will go. Which is right.” —Little Tree in The Education The water crisis is here of Little Tree, by Forrest Carter Water. H2O. Three atoms, uniquely joined, form a large part of the basis for life on Earth. On the planet we call home, 71 percent of whose surface is covered with the stuff, water plays an essential role in nearly every aspect of life and is capable of astounding feats. That it is a substance less dense as a solid than a liquid allows ice to float (no fun skating on the bottom of a pond). With enough volume and time, it can carve a Grand Canyon. It comprises the bulk of most living things. The Ecological Landscaper Biochemical processes occur mostly in an aqueous environment, whether is published by the Ecological within the walls of a cell, in the soil under our feet, or in the vast oceans. Landscaping Association (ELA). Seemingly abundant, essential for life, and long taken for granted, our Subscriptions are a benefit water supplies—fresh, readily available, clean water—are now declining of membership in ELA. For more or threatened on an ever-widening scale. The total amount of water in the information about ELA, write to: global system (roughly 326 million cubic miles1) doesn’t significantly ELA change (your afternoon tea could be made with Cleopatra’s bath water), 60 Thoreau Street, #252 but its distribution, quality, and availability do. Concord, MA 01742-2456 Changing weather patterns (likely, at least in part, due to human activ- Or check our Web site at: ity), overuse, inefficiency and mismanagement, political upheaval, and, www.ELA-ecolandscapingassn.org recently, even commercial commodification of water supplies have pro- (Members section password: ecopost) duced situations where water crises are now occurring, spreading, or Talk to us. We welcome your looming in many parts of the world.2 comments, letters, articles, ideas, A sampling of the current state of affairs is sobering: and opinions. Address all newslet- • About 20 percent of the world’s population (more than a billion people) ter correspondence, submissions, and address corrections to: Nick do not have access to safe drinking water. Novick, 6 Meadowbrook Lane, • Roughly 5.3 million deaths per year are attributable to unsafe water. Ashland, MA 01721; (508) 881-1517 • 80 percent of diseases in the developing world are caused by (phone/fax); e-mail: ELBacktalk@aol.com. contaminated water. • Global water consumption is doubling every 20 years, more than twice Send all other ELA business to the address above. the rate of the population. The ELA board meets throughout • More than half the world’s wetlands were destroyed in the last the year in various locations in century. eastern Massachusetts. All members And lest one think that water problems are confined only to countries are welcome. Contact us for specific in the developing world, or to traditionally arid regions, note recent news dates and locations. headlines such as “U.S. faces day of reckoning; even traditionally wet ELA Board of Directors areas run out of water as sprawl, global warming take toll.”3 In Florida, President: Kathy Sargent-O’Neill overdrawn ground and surface waters are becoming briny as seawater Vice President: Chris O’Brien infiltrates. In 2001, more than half of Kentucky’s counties ran short of Treasurer: Sue Storer water or were on the verge of shortages before a rainy period brought Recording Secretary: Frances Clark relief. In northeast Kansas, water is becoming so scarce that consideration M.L. Altobelli James Marzilli is being given to a $200-million pipeline to bring water from the Missis- Tom Akin Nick Novick sippi River. Nancy Askin Chris O’Brien Don Bishop Tom Sheehan A number of towns face running out of water in a decade or two not Barbara Keene Tom Smarr only in the arid southwest (El Paso, San Antonio, and Albuquerque), but Andrea Knowles Diane Syverson also in other parts of the country. Here in New England, in the late 1990s, Bob Levite many rivers had average monthly flows lower than they had in decades, Administrative Assistant: and water levels in in-ground wells were also at record lows. In Massa- Pat MacAlpine chusetts, the combination of water withdrawals for public water supplies and extended drought reduced sections of the Ipswich River to a series of Newsletter Editorial Director: Nick Novick isolated, stagnant pools during the summer months in a number of recent Production Editor: Joy Buslaff 2
  • 3. Water continued from page 1 In general, groundwater sources are the cleanest and most energy-efficient source since it is often local, requires very little treatment, and is easily extracted. However, groundwater years. This past summer, many towns and cities instituted water restric- reserves can easily be overused and tions or bans to conserve supplies. contaminated. To protect ground- As a culture, we still often display a stunning lack of understanding water reserves from contamination, of and appreciation for water (to the point where the U.S ranks worst in they should be kept at least 50 feet the world in water use efficiency; see article, page 10). Even in the midst deep and 200 feet horizontally from of serious droughts, TV weather forecasters refer to imminent rain as surface water2. “trouble,” or a “problem.” Lawn sprinklers on auto-pilot apply water when it’s raining. Leaky pipes in municipal water systems result in flow Nature and water flow losses of as much as 30 percent in some places. The list goes on.… Modern methods of water flow Our collective awareness of and respect for water need to take giant management are dependent on leaps forward if we are to protect this indispensible resource for future technology. Mechanical pumps and generations. steel and concrete materials are the Water can’t be taken for granted in our landscape work any more so common tools. This technology is than that for other uses. Water falling onto a site, collecting on it, or flow- extremely energy intensive and is ing through it needs to be treated as the valuable resource and essential often detrimental to the environment. element of the ecosystem that it is. We need to seek and take advantage of Controlling the flow of water can eas- opportunities to use water to build ecological assets such as water gardens ily be accomplished by letting nature of various types. Irrigation water needs to be properly applied to avoid do the work with no energy expendi- waste. Landscape design should take water into account, as should plant tures. choices. Often referred to as landform engi- In this issue of the Ecological Landscaper, we take a broad look at some of neering, its primary goal is to manip- the ways water issues impact our landscape work, give some advice on ulate and enhance the natural flow how to use water wisely, and offer specific techniques to limit water use. of water to improve the site’s ability Protecting all our resources, including water, will take everyone’s to catch, hold, and absorb water. participation. ■ —Nick Novick The site’s topography can be used to guide water through constructed NOTES: swales and depressions. Roots of trees 1 One cubic mile equals in excess of one trillion gallons. retain soil more efficiently than con- 2 In an attempt to head off the growing trend toward the commodification of crete. Certain plants and micro-organ- water (private companies taking ownership of water supplies and treating water isms can be used to filter out bacteria, as just another commodity to be sold for the highest possible price), the UN has toxins, and heavy metals from sewage taken the unprecedented step of declaring water as a public good, a human right run-off, in effect, acting as a waste- and “a limited natural resource and a public commodity fundamental to life and water treatment system. health.” For more see article at <www.commondreams.org/headlines02/11298- 01.htm>. Swales and contour trenches 3 Published Aug. 12, 2001, in the Toronto Star; full article at <www.common Subtle alterations to the site such as dreams.org/headlines01/0812-04.htm> construction of swales and contour trenches is an effective method of SOURCES: collecting and guiding water to stor- BBC, United Nations, World Water Council, New York Times, U.S. Geological Survey age areas or distributing the water back to the site. Water can be guided into vegetated areas such as wetlands and forests or storage basins such as BOXED FACTOIDS throughout this issue were collected from the following retention ponds. These depressions sources: U.S. Geological Survey, NASA, UNESCO, U.S. EPA, National should be lined with sand or gravel Geographic, Mass. Dept. of Food and Agriculture, Rocky Mountain Institute, and filled with water-harvesting Maryland Dept. of the Environment, Los Angeles Times, Introduction to Plant plants which slow down water Biology (Stern), National Parks Service, “Environmental Effects of movement, cleanse the water, and Manufacturing Computer Components” by Elaine Tso. assist the land in absorbing the water. Water continued on page 4 3
  • 4. Water continued from page 3 water from dishwashers, laundry Depending on the location, it is possi- machines, and showers). ble to provide enough water, includ- Retention systems ing potable water, for all the needs of Stormwater retention systems Water-efficient landscaping the community. In Hawaii, for exam- provide a more environmental and It is plainly evident from all the ple, rainwater provides all the water aesthetic alternative to conventional previous principles and guidelines needs for 25,000 people5. drainage systems which often wash that site design and landscaping are away stormwater, preventing it inherently linked with water. Water- Wastewater reuse from replenishing the site. Retention efficient landscaping therefore, has an Wastewater comes in two forms, systems store runoff water to be enormous impact on the ability of a graywater, which comes from released slowly and/or absorbed into development to save water. Selection showers, laundry machines, and dish- the ground. The soil used in these of plant materials which require less washers; and blackwater, which is the systems must be permeable with in- water, as opposed to exotic species sewage from toilets. In most cases, filtration rates of at least 27 inches per which tax water supplies, is a priority. potable water is used for all these hour 3. These systems retain the water In this case, selection of indigenous purposes, when it is only necessary on the site and provide flood protec- plants is often the solution. The use for drinking and cleaning purposes. tion. With some attention to design, of exotic species in arid regions, such Reusing graywater for flush toilets these systems can also be made into as Kentucky Bluegrass which requires and landscaping can provide enor- attractive parks, using the retention enormous amounts of water, is just mous savings of potable water. Build- “pond” as a focal point. not sustainable. Indigenous species ings can be designed or retrofitted to exist because they are able to live allow for separate drain lines to Water conservation in the area’s climate and therefore accommodate this strategy. There are many examples of waste- require only the amount of water that Conventionally, wastewater is ful water practices in American cities the environment can supply. treated in expensive, energy-intensive which could easily be improved. In Watering plants during evening treatment plants, and eventually the city of Los Angeles, for example, hours is a much more sensible alter- dumped into our rivers, lakes, and it is estimated that 50 percent of home native to watering during daylight oceans. Despite this, over 2,000 water usage is spent on maintaining hours when the sun evaporates much beaches in the U.S. were closed in 1991 lawns and gardens4, most of which of the water. Water irrigation timers due to sewage pollution problems6. are not indigenous to the semi-arid are available on the market which Wastewater can be treated and reused climate of Southern California. In fact, assist in more efficient watering of for irrigation and even potable pur- Los Angeles’ watershed map extends plants. Reducing the size of lawns is poses through biological wastewater into 11 states to provide the water also an effective method of conserving treatment such as wetlands. This needs for just one city. Much water water. serves two purposes, it saves water, demand could be reduced simply by and it recycles the pollutants in the using common sense in landscaping, Rainwater collection waste as food for the biological treat- while potable water usage could be Once widely used before the 1950s ment system. In most cases it is also a greatly reduced by reusing treated in the U.S., this strategy is still applied more economical alternative to con- wastewater and graywater (used in many areas around the globe. Col- ventional treatment facilities. ■ lected rainwater from cisterns and catchbasins can be used to provide for (This is a chapter excerpted from landscaping needs and can even be Principles and Guidelines for Sustainable WATER FACTS treated to be used as potable water. Community Design; A study of sustain- • Amount of water in the The rainwater is usually collected able design and planning strategies in atmosphere at any given from rooftops and then stored in North America from an urban design moment: 3,100 cubic miles cisterns and catchbasins for later use. perspective.) • Percent of all fresh water that figure represents: .001 ENDNOTES: • Depth of coverage if all 1 National Park Service. Guiding Principle of Sustainable Design (Department of Interior: Denver, Colo., 1993) atmospheric water fell to earth 2 Ibid. at once: 1 inch 3 John Tillman Lyle. Regenerative Design for Sustainable Development (John Wiley and • Average daily precipitation Sons: New York, N.Y., 1994). on the continental U.S.: 30 4 Julia Russell, “Xeriscape” ed. Bob Walter, and Lois Arkin. Sustainable Cities (EcoHome inches (4 cubic miles) Media. Los Angeles, Calif., 1992) pp 140. 5 Dianna Barnett and William Browning. A Primer on Sustainable Building (Rocky NOTE: one cubic mile equals one Mountain Institute: Snowmass, Colo., 1995). trillion gallons (more or less) 6 Larry Stammer, “Sewage Forced Closure of 2,000 Beaches in 1991” (Los Angeles Times, July 24, 1992). 4
  • 5. "Irrigation of the land with seawater desalinated by fusion power is ancient. It's called rain."—Michael McClary U.S. suffers under drought by Randolph E. Schmid, Associated Press WASHINGTON (Sept. 13)—Con- Virginia, Colorado, Utah, Arizona, Asheville, N.C., said the average fronted by parched lawns and with- and Nevada. It was the second driest global temperature for combined land ered fields, few Americans will be 12 months in South Carolina, Georgia, and ocean surfaces during June- surprised to learn that the summer Maryland, Delaware, and Wyoming. August was 0.8° above the 1880-2001 of 2002 was hotter and drier than The Climate Center said there was long-term mean, the third-warmest normal. some drought relief in the Northeast such period since recordkeeping For the record, the National Cli- during the spring and early summer, began in 1880. matic Data Center reported Friday but a return to below-average rainfall Summer was marked by numerous that June through August was the during July and August led to wors- extreme weather events throughout warmest summer since the 1930s ening drought there. the world, including more than 100 and drought affected about half the Moderate to extreme drought deaths across Europe as heavy rainfall country. covered more than 45 percent of the caused devastating floods in the The average temperature for the 48 contiguous United States during each Czech Republic, Germany, Austria, contiguous states this summer was of the past three months, the agency Slovakia, Russia, and Romania. 73.9°F. said. Monsoon rains led to hundreds of That’s 1.8° warmer than normal and By comparison, the most wide- deaths in northeastern India and the third hottest on record. Warmest spread drought on record occurred in Bangladesh, and heavy rainfall was 1936 and second was 1934. July 1934 when 80 percent of the con- brought severe flooding to central The report comes just a day after the tiguous United States was in moderate China. ■ National Weather Service forecasted to extreme drought. And the center continuing dry conditions for much of pointed out that studies of tree rings This and other AP stories in this issue are the country through winter. Only the indicate there have been worse reprinted by permission of Associated Southern tier of states are expected to droughts in the past. Press. Copyright 2002 The Associated be wetter than normal. “The severity of the 1930s drought Press. The information contained in the The data center, part of the National was likely surpassed by the drought AP news report may not be published, Oceanic and Atmospheric Adminis- in the 1570s and 1580s over much of broadcast, rewritten or otherwise distrib- tration, said no state was significantly the western U.S. and northern Mexico, uted without the prior written authority colder than normal in summer and which lasted several decades in parts of The Associated Press. many were much warmer than aver- of the southwestern U.S.,’’ NOAA age. reported. There was much below-average While the costs of this year’s WATER FACTS rainfall in 29 states, while the only wetter-than-average states were drought are not yet known, it has diminished water supplies that led • Total amount of earth’s atmospheric, surface, and Wisconsin, Minnesota, Iowa, and to the need for water restrictions in ground water: 326 million cubic North Dakota, plus parts of Texas many cities, contributed to an active miles and Florida. Heavy rainfall eased drought but wildfire season and produced extremely difficult farming conditions. • Percentage of total mass of the earth accounted for by led to severe flooding in southern The National Center for Atmos- oceans: .02 and central Texas in early July with damage estimates reported as high as pheric Research in Boulder, Colo., reported Thursday that by the end • Percent of earth’s water which is fresh water: 2.5-3 $1 billion. Strong thunderstorms also brought widespread flooding to west- of August, 6 million acres of mostly forest—an area roughly the size of • Proportional amount of available fresh water if all the ern Minnesota and North Dakota and New Hampshire—had been con- world’s water were reduced to resulted in hundreds of millions of sumed by flames across the United a gallon: 1 teaspoon dollars in damage in crop losses in June. States. That’s double the annual aver- age in wildfire damage with costs • Percent of freshwater which is tied up in glaciers and polar In many areas, the drought extends estimated at $1.5 billion so far, and ice: about 75 back years. Indeed, the 12 months that large fires still burn in the West. • Percent in groundwaters: 30 ended with August were the driest on record for six states: North Carolina, In its summer report, the National Climatic Data Center, located in • Percent in surface waters: .3 5
  • 6. "We forget that the water cycle and the life cycle are one."—Jacques Cousteau A quick review of some water-conserving practices for landscaping Design Plant selection and planting Irrigation Do a thorough site analysis to deter- To minimize the need for ongoing Check systems at least once a year mine water-related characteristics of watering, choose plants based on how for proper operation. the site. well their need for water matches the Most plantings need about one inch Preserve as much of the existing, prevalent site conditions. of water per week. On clayey soils desirable, native plants as possible. Plants native to a region generally with slower infiltration rates, divided Incorporate natives and appropriate are well adapted to those conditions applications will help prevent water nonnatives which are not invasive or and will need little supplemental loss due to runoff. have heavy water demands. watering once established. Water needs vary during the grow- Consider on-site water as a valuable Consider the eventual height of the ing season. Ideally, irrigations systems resource. Try to reframe drainage plant at maturity. Will it provide will be adjusted throughout the sea- “problems” as unexpected supplies essential shading? son. of free water. Plan systems to utilize Avoid planting too closely. Allow- excess water. ing adequate space between plants Lawns Plan shade into the design. Shade will minimize competition for water. Leave clippings to add organic mat- trees block sun from reaching soil, When appropriate for the chosen ter to soil. lowering soil temperatures, and plants and economically feasible, For most of the growing season reducing evaporative water loss. incorporate adequate organic matter mow turf high, at least 2.5 inches, and Cooling effects from leaf transpiration into the soil to increase the capacity of as high as 3.5 inches; even higher is are also significant. Consider other the soil to hold water. In cases where possible in areas where a “trimmed” shade-providers such as espaliers, amending soil on a large scale is look is not important. arbors, fences. impractical, consider plants which Unless prepared to increase water- Note prevailing winds and plan grow well naturally on “poorer” soils. ing during hot summer months, allow windbreaks to reduce evaporative lawns to go dormant then. There may losses from wind. Maintenance be some benefit to a very light, daily Plan zones of water use. Some areas Maintaining an adequate mulch watering (.1 inch) to cool the lawn such as vegetable gardens and beds layer on planting beds helps to mod- and prevent heat stress. Once temper- near hardscape areas may need more erate soil temperatures and reduce atures moderate in the fall, lawns water than other areas. Group plants evaporation. growing in healthy soils with ade- according to water needs to simplify Water needs for newly planted quate organic matter will recover watering, should it be needed. trees, shrubs, and perennials are relatively quickly from all but the Consider reducing or eliminating higher than for plants which are well most severe droughts. lawn areas, especially in locations established. Watering every few days Select turf seed species and varieties where the existing site characteristics may be needed during excessively hot based on site conditions. Some fescues are not favorable for turfgrass. For periods. Each application of water are more drought tolerant than other cool-season grasses in the north, full should reach to the bottom of the root types, such as bluegrass. sun on a south-facing slope and poor zone. Seed new lawns in late summer or soil will provide an annual challenge Avoid fertilizing during periods of early fall to ensure best chance of suc- that a lawn is not likely to overcome. stress, including drought. cess and minimize need for supple- Limit lawn to where it will be used, Experiments have shown that appli- mental watering. Newly seeded lawns such as for play areas. cations of seaweed (kelp) extract can need be watered only enough to keep Consider native grasses and wild- help plants tolerate and recover from seed damp by frequent applications of flower meadows for a low-mainte- drought and other stresses. small amounts of water. ■ nance alternative in areas where a —Nick Novick lawn would serve no practical use. Once established, properly chosen meadow plants will survive the “Water sustains all.”—Thales of Miletus, 600 B.C. harshest of droughts. 6
  • 7. “Rain does not fall on one roof alone.”—proverb from Cameroon Rain trees garden Acer rubrum (Red Maple), Alnus (Alder), Amelanchier (Serviceberry), Betula nigra (River Birch), Celtis laevigata (Southern Hackberry), plants Chionanthus virginicus (Virginia Fringetree), Fraxinus pennsylvanica (Green Ash), Larix laricina (Tamarack), Liquidambar styraciflua (Sweet Gum), In some cases, it may be difficult or impractical to solve drainage “prob- Nyssa sylvatica (Sour gum), Platanus acerifolia (London Plane), lems”by diverting or reducing the Populus tremuloides (Quaking Aspen), Quercus bicolor (Swamp Oak) and water flowing into areas of a property. Q. palustris (Pin Oak), Taxodium distichum (Bald Cypress), On some properties, water may collect at certain times of the year, or after Thuja (Arborvitae) heavy rains. This can result from soils with a large clay content, surface runoff patterns, roof water accumula- tion, etc. It may not be easy or practi- shrubs cal to solve these drainage “problems” with solutions such as underground Aronia arbutifolia (Red Chokeberry), Cephalanthus occidentalis (Buttonbush), drainage, dispersion, or other meth- Clethra alnifolia (Summersweet), Cornus alba sibirica (Tartarian Dogwood), ods. In some of these instances, a “rain C. amomum (Silky Dogwood), C. sanguea (Bloodtwig Dogwood), C. sericea garden” may be one solution. Plants (Redosier Dogwood), Dirca palustris (Leatherwood), Ilex cassine (Dahoon adapted to occasional inundation can Holly), I. glabra (Inkberry), I. verticillata (Winterberry), I. vomitoria (Yaupon be installed to create a garden or bed in what otherwise might be consid- Holly), Kalmia latifolia (Mountain Laurel), Leucothoe fontanesiana (Droopng ered problem areas. By making slight Leucothoe), Lindera benzoin (Spicebush), Myrica cerifera (Southern changes in grading, water can be col- Waxmyrtle), M. pennsylvanica (Bayberry), Nemopanthus mucronatus lected into selected spots. In nature, plants which grow on (Mountain Holly), Rhododendron arborescens (Sweet Azalea), R. canadense river and stream banks and wet mead- (Rhodora), R. periclymenoides (Pinxterbloom Azalea), R. vaseyi (Pinkshell ows are appropriate choices for rain Azalea), Rosa palustris (Swamp Rose), Sambucus canadensis (American gardens, but some upland species can also tolerate occasional periods of wet- Elder), Vaccinium (Blueberry), Viburnum cassinoides (Witherod Viburnum), ness. V. dentatum (Arrowwood Viburnum), V. trilobum (Cranberry Viburnum) The mostly native trees, shrubs, and perennials listed at right (slightly modified as taken from the November 2002 issue of The Avant Gardener) will perennials do well in wet to occasionally saturat- ed soil conditions. (This is not a com- Asclepias incarnata (Swamp Milkweed), Aster novae-belgii (New York prehensive listing.) Aster), Aster novae-anglie (New England Aster), Astilbe, Astrantia major Numerous grasses, sedges, and rushes will also do well in rain garden (Masterwort), Echinacea purpurea (Purple Coneflower), Eupatoreum conditions, as will many ferns includ- maculatum (Spotted Joe-Pye Weed), Filipendula rubra (Queen of the Prairie), ing Athyrium felix-femina (Lady Fern), Dicentra, Gentiana, Hemerocalis (Daylily), Hostas, Iris versicolor (Northern Osmunda cinnamomea (Cinnamon Fern, and Thelypteris novebotacensis (New Blue Flag), I. fulva (Copper Iris), Liatris pycnostachya (Prairie Blazing Star), York Fern). Suitable bulbs that will Lilium superbum (Turk’s Cap Lily), Lobelia cardinalis (Cardinal Flower), tolerate temporary flooding include Rudbeckia subtomentosa (Sweet Coneflower), Silphium, Stokesia laevis the genera Canna, Camassia, Crinum, Eucomis, Hymenocallis, Zantedeschia, (Stoke’s Aster), Trollius (Globeflower), Veronicastrum virginicum and Zephyranthes. ■ (Culver’s Root) 7
  • 8. most effective and efficient way. wax content, breaks down fairly Wise watering Understanding your soil type and its slowly compared to leaf mold, com- infiltration rate is essential to efficient post, and some other mulches—can Making the best use watering. If your sprinklers are prevent water from reaching the soil. of applied water applying .5 inch of water per hour, So, how to apply the water? There only sandy soils and sandy loams are many different systems to do the by Cheryl Lowe and Nick Novick (infiltration rates of one inch and .5 job. Choosing a system will depend inch/hour respectively) can absorb on the area you need to water, what We all breathed a sigh of relief when everything that you apply. When you is being watered, your budget, etc. the first autumn rains began to fall apply that same rate to loam, half the If you need irrigation, here are some after a summer of so much heat and water will run off, since infiltration options. drought. Perhaps you thought you rates for loam are approximately .25 Permanent, in-ground systems are were off the hook. But implementing inch/hour). The infiltration rate is common for lawns. They are compli- water-wise landscaping practices even less if the site is sloped. Clay cated enough that professional instal- over the long term, not just when loam absorbs only .15 inches/hour.* lation is required, and the cost is rela- we are forced to do it, pays off both Useful tools to help in your quest tively high. These systems are most ecologically and economically. for water-wise gardening include a often set to go on for a certain period These practices can range from number of small containers (tuna or of time at set intervals, and there are design considerations to maintenance pet food cans work fine) to measure overrides available which turn the techniques to appropriate plant selec- water as it is being applied, a soil system off when it is raining. The tion. Effective design might mean probe, and a shovel. sensors need to be checked regularly decreasing lawn area or clustering Although mulches are efficient at to work properly. plants so they not only shade and preventing water from evaporating A common mistake is to set the protect each other from desiccating from the soil surface, they can also be system to run frequently for short winds, but also accommodate distinc- a barrier to water absorption if they periods of time. This results in shal- tive irrigation cycles. Maintenance dry out, or, if they are applied too low water penetration into the soil, techniques include mulches; deep, heavily. Last August, I (Cheryl) took and shallow-rooted turf. Applying but less frequent watering; adding the time to compare water applica- one inch of water per week is a good, organic matter to soils; or avoiding tion rates to depth of moistened soil rule-of-thumb guide; this can be pruning, fertilizing, or planting in in several different situations (sun, applied in split applications of a water-stressed areas. When selecting shade, loam, sand, etc.). The sites had half inch every few days. The exact plants, remember that less stress not been watered all summer, so the amount needed will depend on soil means more resistance to disease and soil was bone dry. In a loamy soil, I and grass type, temperature, etc. pests, so select species adapted to the applied two inches of water over 5.5 In general, unless they are adjusted environmental conditions of your hours using an oscillating sprinkler. regularly, such automatic sprinklers site. The soil was moist down to an 8-inch tend to waste large amounts of water With all other measures taken, depth, but only where the soil was because they fail to compensate for there still may come a need to water. not protected by a dry, 3-inch layer changing conditions. At that point, the goal is to get water of woodchip mulch. With the mulch, Smaller lawns can be watered with to the plants in your landscape in the the water reached only 1 inch into the with oscillating or impulse sprinklers soil, as it took most of the water to attached to the end of a garden hose. moisten the mulch first. In a similar The inconvenience of setting these up WATER FACTS experiment in an uncultivated wood- and putting them away every time land site, a 2-inch layer of fine forest they are needed is compensated by • Percent of all fresh water duff absorbed over 4 inches of water, the low initial cost and the ability to available for plants: .001 and no moisture reached the soil. In more easily apply water only as it is • Average percentage of fresh a nearby test spot (sandy soil and .5 needed. On the more expensive mod- plant weight contributed by water: 75 inch of forest duff) the soil was mois- els, there is usually some capacity to tened 8 inches into the soil. adjust the spray pattern. • Gallons of water utilized Because excessive mulch can pre- For trees, shrubs, and flowers, a by a typical hardwood tree to produce a pound of green vent water from reaching plant roots better option is a system which wood: 120 —or even the soil—it is important not applies water directly to the ground, to apply too much fresh mulch over as opposed to the aerial application • Gallons of water transpired incompletely decomposed, existing provided by sprinklers. Water by an average-sized, 200,000- leaf birch tree during a grow- mulch. Annual applications of many sprayed on foliage can contribute to ing-season day: 200-1,000 inches of mulch—especially bark conditions which lead to the develop- mulch, which, because of its high ment and spread of diseases, so, 8
  • 9. other things being equal, it is better to “For many of us, water simply flows from a faucet, and we think little about it beyond avoid unnecessary wetting of foliage. this point of contact. We have lost a sense of respect for the wild river, for the complex (And, if you do have an in-ground workings of a wetland, for the intricate web of life that water supports.” system watering a mixed planting —Sandra Postel, Last Oasis: Facing Water Scarcity in addition to the lawn, those areas should be on a separate zone because much less water is needed there than Do the right thing?! for the lawn.) (To water or not to water, that is the question) Two popular, on-ground systems are soaker hoses and drip systems. Because of recent periods of drought, rules, but still justified his action The most common soaker hose is one beginning as early as last spring, a with, and I quote, “It was worth it made of recycled rubber. The hose number of towns in eastern Massa- this one time, I would have spent weeps slowly from its entire length, chusetts have instituted some sort of more than $200 to replace the plants and so, releases water very slowly to outdoor water-use restrictions. that I would have surely lost. I’m the soil. They work well for fairly One of my landscape design clients glad I did it!” short runs (200 feet or less) and for lives in a town that had been on a This homeowner is a very con- level sites. Any slope of more than a total outside water ban for the last scientious gardener—he chose plants few degrees will result in little or no 18 months. He has spent many hours carefully for the site conditions, water reaching sections of the hose and dollars beautifying his property incorporated organic matter when he at the highest elevations in the run. with trees, shrubs, and perennials. planted, used soaker hoses to target Depending on the length of the run He has a very small lawn that was water use carefully; even recycled his and the pressure at the faucet, pres- mostly clover and crabgrass this sum- dishwashing water to water plants. sure reducers may need to be mer. He was resigned to relying on Was he right to water or not? installed at the beginning of the run whatever rain might come and the I guess the answer lies somewhere to help produce even weeping over dishpan water to “save” some of his between a rock and a hard place. ■ the length of the hose. prized plant possessions yet again —Kathy Sargent-O’Neill Drip systems (Rain Bird is one pro- this summer. ducer) are a bit more expensive, but He had been a ban-abiding citizen more versatile. A solid, plastic pipe for 18 months, but, in mid-August— (usually .5 inches in diameter) carries after six straight days of temperatures over or close to 100°, and with many WATER FACTS the water. Wherever an emitter is needed, a hole is poked, and any of a plants flagging to the point of nearly lying on the ground, or, worse, sport- • Percent of adult human variety of available emitter types is body weight contributed by installed. This allows application of ing crispy, brown leaves—he couldn’t water: 50-65 (70-75 in children) water right where it is needed. take it any longer. Under cover of darkness, he broke • Average daily household Choices for emmitters include drip use of water per person in the and spray types in a range of flow the rules and turned the soaker hoses U.S.: 75-80 gallons rates, so a high degree of precision is on in the hillside gardens which baked under full sun. The next day • Percent increase in that possible. Plus, the system can be amount over the past 30 years: adjusted or modified as conditions there were a few spots here and there 75 change. where the earth looked darker from the moisture but there was no knock • Total daily U.S. water use For both types of drip systems, any (agricultural, industrial, house- sediment in the supply water can clog on the door; he had done it and he hold): 35 billion gallons or slow the flow, especially for the was glad he did. He was so embold- ened by his previous evening’s guer- • In U.S., percent of all public soaker hoses which will eventually and private utility-supplied get clogged by even the smallest sized rilla action that he moved the soakers water accounted for by house- particles. An inexpensive filter can farther down to water yet another holds: 47 be installed to catch any sediment very crispy area, but, alas, the next morning the water police were at his • Percent of that which goes present in the water. ■ to outdoor uses: 30-50 door to serve him with a $200 fine. The homeowner did seem a bit • Percent of outdoor water *from The Chemical-Free Lawn by use accounted for by lawn Warren Schultz, Chapter 6, Water remorseful as he was relating the irrigation: 30-40 Wisdom story. He didn’t like to break the Cheryl Lowe is the Horticulture Director “Children of a culture born in a water-rich environment, we have never really learned for the New England Wild Flower Society how important water is to us. We understand it, but we do not respect it.” and a former board member of ELA. —William Ashworth, Nor Any Drop to Drink, 1982 9
  • 10. “In every glass of water we drink, some of the water has already passed through fishes, trees, bacteria, worms in the soil, and many other organisms, including people....Living systems cleanse water and make it fit, among other things, for human consumption.” —Elliot A. Norse, Animal Extinctions WATER FACTS U.S. rated highest • Gallons water required to produce a single serving of on wasteful water use lettuce: 6 by Sue Leeman, Associated Press • Gallons of water required LONDON—Some of the world's “Water demand is increasing three to produce a single serving of steak: 2,600 richest countries—including the times as fast as the population growth United States and Japan—lag behind rate even though no new water can be • Gallons of water required some developing nations in making created anywhere on this planet,” said in the manufacture of semi- conductors and printed circuit the best use of water, according to World Water Council president Mah- boards in one personal a new grading system published yes- moud Abu Zeid. computer: about 12,000 terday [Dec. 11, 2002]. The Water Poverty Index assigns The United States was rated the up to 20 points in each of its five cate- world's most wasteful user of water gories, meaning a country that meets by the first Water Poverty Index. the criteria in all five categories would CLIMATE STATS Finland was ranked highest on the have a score of 100. The highest-rank- • Warmest year in recorded index, which graded 147 countries according to resources, access, capac- ing country, Finland, has a Water Poverty Index of 78 points, while history: 1998 • Second warmest year in ity, use, and environmental impact. The rest of the top 10 were Canada, Haiti rates 35. Iceland, Ireland, Spain, Japan, and recorded history: 2002 • Third warmest year in Iceland, Norway, Guyana, Suriname, Austria, Ireland, Sweden, and Swit- Austria were rated tops in the capac- ity category, which defines a country's recorded history: 2001 • Fourth warmest year in zerland. The 10 countries at the bottom of the ability to purchase, manage, and lobby for improved water, education, recorded history: 1997 • Number of years of the past index were: Haiti, Niger, Ethiopia, Eritrea, Malawi, Djibouti, Chad, and health. The bottom five were Sierra Leone, 10 not in the top 10 warmest on record: 1 Benin, Rwanda, and Burundi. Niger, Guinea-Bissau, Mali, and the Issues raised by the index are to be Central African Republic—some of discussed in March at the World the world's poorest nations. Water Forum in Japan. The United States was ranked 32nd …AND OTHER “The links between poverty, social overall in the index, but last in effi- DEEP THOUGHTS deprivation, environmental integrity, ciency. • Amount sea level has risen water availability, and health become “The U.S. is at a relatively low in the last 100 years: 6 to 8 clearer in the (index), enabling policy- position because of wasteful or ineffi- inches makers and stakeholders to identify cient water use practices in domestic, • Amount of water held in where problems exist and the appro- industry, and agriculture,” said and below earth’s mantle (top priate measures to deal with their William Cosgrove of the World Water layer), not including ground- causes,” said Caroline Sullivan, who Council. “This is illustrated by the fact water, suggested by recent led the team developing the Water that per-capita water consumption is studies: 5 to10 times the Poverty Index at the Center for the highest in the world.” amount on the surface Ecology & Hydrology in Wallingford, Japan ranked 34th, with a low score England. The center is part of the on environmental factors. British government-funded Natural The World Water Council is a non- “For all the darkness that presently Environment Research Council. profit, nongovernmental organization confronts us and our descendants, there One-fifth of the world's population made up of 313 members, including is no reason to give up. There is every in 30 countries faced water shortages UN agencies, other NGOs, and public reason to take up the fight, because we in 2000, a figure that will rise to 30 and private groups. ■ have within our grasp the power of the percent of the population, in 50 coun- people to force the right decisions.” tries, by 2025, according to the World This story ran on page A37 of the Boston —Jacques Cousteau Water Council based in Marseilles, Globe on 12/12/2002. Reprinted here by France. permission of Associated Press. 10
  • 11. Sipping from Amy Vickers’ Handbook of Water Use and Conservation At $99.95, Vickers’ book would be ideal to stock in a Outdoor water use reference library or employed as a course guide. Its range The amount of outdoor is broad, looking at water conservation within the house- water use in a given region hold, in business, industry, and agricultural applications. or within a particular Reprinted on this page are excerpts from the section on customer group is usually landscaping. Vickers, a member of ELA, promotes the use correlated with four key of native plants and other sustainable practices. factors: climate, amount of rainfall, water rates and the Conservation or efficiency LANDSCAPE IRRIGATION SCHEDULING total cost of water, and household income.…On measures…can be grouped Efficient irrigation scheduling involves understanding a per-capita basis, outdoor into two general categories: lawn and plant water needs and setting the frequency water use by apartment and duration of irrigations accordingly. Knowing when dwellers in multifamily (1) hardware and how much water is needed and adjusting irrigation units tends to be low or devices or schedules in response to changing plant and weather even negligible and is equipment characteristics is critical to efficient water use and typically much lower than optimal plant health. Determining how much and how that of residents of single- (2) behavior or often water is needed is site-specific.… family homes in a given management Lawns and landscapes are typically watered too often area when measured by and too long. Many irrigated lawns and landscaped practices areas can thrive on a watering schedule of once or twice household unit. Exceptions can include customers living a week for periods of no more than 15 to 30 minutes. in affluent multifamily “Odd/even” Less time is usually better than more. People some- complexes featuring large irrigation times overwater when they see brown spots that they irrigated landscaped areas, schedules can assume were caused by insufficient water. This is not swimming pools, fountains, increase water use always the case. Brown spots can be caused by multiple and maintenance practices sources, including high salinity levels in the soil, over- involving water, such as Communities sometimes application of lawn chemicals, nematodes, and animals. establish every-other-day sidewalk cleaning. In addition, overwatering can increase lawn and plant watering schedules—for viruses, fungi, and insects—conditions that also create example, during a drought Moisture sensors brown areas. During hot summer months or periods of —but watering schedules of drought, many homeowners and landscape managers Handheld tensiometers this frequency are generally believe that the only way to keep lawns and plants and moisture sensors are discouraged now because alive is to deluge them with water. Such practices not relatively inexpensive, are experience has shown that only raise water bills but also increase runoff, plant available at lawn and they often lead to overwa- diseases, root rot, brown spots, and mowing and garden stores, and give a tering. Schedules based on maintenance costs. moisture reading when the odd/even house numbers Overwatering seems to be more common with single- probe is pushed into the may appeal to consumers family properties and other lawns and landscapes soil. Handheld sensors because they are easy to that rely on automatic irrigation systems. Automatic are useful for people who remember—e.g., residents irrigation systems are run by controllers programmed irrigate manually, either at even-numbered addresses to set the days, time of day, and length of time that with a hose or a sprinkler may use water outdoors on each irrigation valve or station will operate. When they turn on and off. Tuesday, Thursday, and programmed properly, the controller can boost water In-place moisture monitors Saturday, and residents at efficiency by giving turf and plants just the right are used with automatic odd-numbered addresses amount of water, in just the right places, for the mini- irrigation systems. They may use water outdoors on mum amount of time needed. In reality, however, the also have a probe that is Wednesday, Friday, and average water-use efficiency of automatic irrigation inserted into the ground, Sunday. However, home- systems is about 50 percent. In other words, for every plus a wire connecting owners under odd/even two gallons of water applied, one is wasted. them to an irrigation system schedules sometimes controller.…Used properly, assume that they should Handbook of Water Use and Conservation: Homes, Landscapes, Busi- moisture sensors can boost nesses, Industries, Farms by Amy Vickers (WaterPlow Press, 2001) ISBN water every other day, even 1-931579-07-5. Toll-free orders call 866-367-3300. More details about the irrigation water efficiency though they didn’t before. book are available at www.waterplowpress.com. and save water. ■ 11
  • 12. ELA news PRESIDENT’S MESSAGE Keeping things in order Making a list, lately checking it bership in ELA. The renewal letter both in the classroom and on the about four or five times a day! I will be mailed out soon, with the show floor and will showcase eco- don’t know about you all, but life new membership categories and logical products and services. This is has been in overdrive these days. For their benefits. Please review the a great opportunity to learn some- every “to do” that gets checked off, it information sheet enclosed with the thing new, renew old acquaintances, seems like two take its place. letter, update your member informa- and make some new ones. I’m not complaining, just realizing tion if necessary, and return it along MARCH that if I don’t write things down and with your check. Your support is ✔Attend the ELA round table “The check them frequently, all sorts of essential to the organization. Thank Great American Lawn; Alternatives things slip by, important things and you. and Cost Benefits,” on March 29. stuff I really want to do. I’ve been ✔ Check your mailbox in early SPRING told that memory is an age thing, but January for the brochure for the ✔ Read the first installment of I think—at the tender age of 53—that expanded, two-day, 9th Winter ELA’s “Guide to Healthy Land- it’s a busy thing! Anyway, I hope Conference. If you need extra copies, scapes,” a manual designed to pro- you all have had a very full and or need more information, visit our vide easily accessible information on prosperous year and that this list Web site to download what you ecological landscaping methods. will help you remember some of the need, or call the phone line (617) JULY 436-5838, with your request. things that are important to you, too, ✔ If you can plan ahead that far, so they don’t slip by: ✔Attend the ELA round table, think about attending the ELA “Designing the Landscape with The “Remember To Do” List Annual Meeting and Summer Water in Mind,” Jan. 8. (Call for a ANYTIME Forum which, typically, is held the brochure; registration is required ✔ Remember to renew our commit- third Wednesday of July. More for all round tables.) ment to be more ecologically mind- information will be available closer FEBRUARY to the date. ed in our landscaping endeavors. ✔ Remember to stop by the ELA We’re the ones who can make a dif- And, for the Down Time (is there table at New England Grows (Feb. 6- ference in what we do and how we really such a thing?), I’m sure you all 8). We’d love to see you and hear approach the many challenges that have lots of your own stuff to add to what you’ve been up to. we’ll be facing in the coming year. the list. ✔Attend the ELA round table, “Turf ✔ Check out the ELA Web page and Landscape: Keeping Water in Oh, just thought of one more very <www.ELA-ecolandscapingassn. Mind,” Feb. 12. important item to add, and it’s to org> for information about upcom- ✔Attend the ELA Winter Confer- wish you all a happy, healthy, pros- ing educational events and confer- ence and Eco-Marketplace sched- perous, and environmentally sound ences, links to other interesting Web uled for Feb. 28 and March 1, 2003. New Year. See, it’s good to check the sites (share your favorites with us), This two-day event will be held list at least twice…Happy New and ELA news updates. at the Boxborough Holiday Inn, Year! JANUARY Boxborough, Mass. This year’s event —Kathy Sargent-O’Neill ✔ Remember to renew your mem- features educational presentations NEW MEMBERSHIP CATEGORIES: To better serve growing network of ecologically minded colleagues. And, our members and support our growth, we have restructured the higher levels offer additional perks and provide ELA the membership categories and rates, which had been with much needed support. unchanged for a number of years. This change will take We encourage you to renew or join at the highest level effect with the next renewal cycle in January 2003. that is comfortable for you. We will continue to work hard For nonprofessionals, homeowners, and others, the “asso- to make ELA valuable to you, and we are grateful for your ciate” level offers an easy way to support our mission and continued support. Watch for renewal forms in the mail programs. The “professional” level provides benefits to help soon. build your business and to keep you connected to a vital, As always, we welcome your comments and input. 12
  • 13. "We call upon the waters that rim the earth, horizon to horizon, that flow in our rivers and streams, that fall upon our gardens and fields, and we ask that they teach us and show us the way."—Chinook Blessing 2002-2003 round table series: 2002 annual appeal considering water during dry times Thanks to everyone who has generously responded to ELA’s T his season’s round tables will focus on issues of water use, quality, and conser- vation in the landscape, especially in times of drought. annual appeal this fall. Contri- butions are still coming in, and ELA’s round tables are designed to provide for plenty of interaction among and we are grateful for your help. In between both the audience and presenters. To this end, registration is limited to these challenging financial times, 40, so be sure to call our phone line at (617) 436-5838 to request a registration form. outside funding sources have an Fee is $25 for ELA members and $35 for non members. increasingly difficult time meet- Because of a number of scheduling issues, there is no round table scheduled ing all the requests they receive. for December. The first one will be in January. The schedule is as follows: While we will continue to pursue grants and other inputs, we January 8, 2003, 1:30-4 p.m. depend in large measure on Designing the landscape with water in mind member support to support our at the Broadmoor Audubon Wildlife Sanctuary, Natick, Mass. programs and keep us moving Speakers Peter Phippin, with the Merrimack Valley Planning Council, and Jean forward. Akers, of the Conway School of Landscape Design, will discuss the impact of If you haven’t yet responded, recent droughts and the consequences for water supplies. Other watershed issues it’s never too late. Contributions and how to accommodate hydrologic functions in the design and planning of any amount are always wel- process will also be considered. Case studies and sample projects will be used to come and appreciated. Your tax- demonstrate practical, innovative development alternatives that preserve hydro- deductible contributions can be logic functions and ecological integrity. sent to ELA, 60 Thoreau Street February 12, 2003, 1:30-4 p.m. #252, Concord, MA 01742. Thank Turf and landscape; keeping water in mind you! at Tower Hill Botanic Garden, Boylston, Mass. ELA receives grant Learn how to be part of the solution by incorporating environmentally sensitive ELA is proud to announce that techniques in you business. Most of the techniques are easy to adopt; have imme- we are the recipient of a generous diate, positive environmental benefits, and are based on common sense. (Speakers grant of $2,000 from the Cross- not yet finalized as we go to print.) roads Community Foundation. March 29, 2003, 9 a.m.-12 p.m. This is an extremely competitive The great American lawn year for funding and ELA was at Arnold Arboretum Hunnewell Building, 125 Arborway, one of eight organizations select- Jamaica Plain, Mass. (cosponsored by Arnold Arboretum) ed from 49 proposals. We are Lisa Vernegaard, with the Trustees of Reservations and contributing author of grateful for the Foundation’s sup- Redesigning the American Lawn, and Tom Akin, assistant grounds superintendent at port of our mission and programs the Arnold Arboretum and ELA board member, will provoke us to think about in the Metrowest (Massachusetts) why we—homeowners and landscape professionals—make the landscape choices service area. We plan to allocate we do. Lisa will examine the history of lawns and the implications this “crop” has this money to “capacity build- on our water supply. Tom will demonstrate how lawns can be beautiful and ing,” that is, staff support and healthy without using chemical fertilizers, pesticides, and excessive irrigation. membership development. ELA retreats … but only for a day. In October, the of itself: What really constitutes “ecological landscaping”? ELA board held its annual retreat, this year at Massachusetts Where do we fit among other organizations? How are we Audubon’s Broad Meadow Brook Conservation Center and unique? How can we more clearly describe the organization Wildlife Sanctuary in Worcester. The full-day session with to prospective members and supporters? facilitator Rhua Stakely provided an opportunity to consider Intensive discussion, brainstorming, and summation ses- in depth specific issues that there isn’t sufficient time to take sions produced a lot of good thinking and output which we up during the regular board meetings. will continue to digest, refine, and integrate into our pro- This year, the focus was on sharpening ELA’s definition gram and materials in the coming months. 13
  • 14. ELA news continued Meet your Jim Marzilli new director Society; numerous symposia and con- ferences (including the excellent Native board of I am in my sixth term in the Massa- Plants in the Landscape conference in chusetts House of Representatives, Millersville, Pa., the New Directions in directors (continued) representing Arlington and West the American Landscape symposium in In the last issue, we began to introduce the Medford. I maintain a 6,000-square- Pennsylvania and Connecticut, and, of diverse and eclectic members of our board foot, ecologically sustainable, suburban course, ELA’s own Winter Conference). of directors. Following are the descriptions garden with an emphasis on plants Despite a missing gene for business for the balance of the board. native to the East Coast. management, i’m currently running my I am active in a wide range of envi- own small landscaping design and ronmental policy issues. I serve on two installation business in eastern Massa- M.L Altobelli public-private partnerships organized chusetts. That i have yet to do any education committee chair, by the U.S. Fisheries and Wildlife advertising for the business—but am as manual and marketplace coordinator, Service, working to restore native busy as i want to be—attests to the steering committee, plant species and removing nonnative, growing demand for a different kind of continuing director invasive species. I initiated the Green landscaping service. I concentrate on I’ve been part of the ELA board since Streets, Green Cities program to restore “natural” plantings (meadows, wood- its inception. I’ve been most involved urban green areas using volunteers and land/shade gardens, native plants), but with the educational component of native plants. I am active at the national also do a fair amount of lawn fertility ELA. I’m currently working on The level in urban forestry issues. and pest management, hardscape work, Guide to Healthy Landscapes and the new I am a member of the Board of etc. eco-marketplace. Trustees of New England Wild Flower My motivation to enter the landscap- I run a small horticultural service Society and, now, the Ecological Land- ing field was based, in large part, on a business in north-central Massachu- scaping Association. I was named concern for the environment, and i setts. It includes design, installation, Environmental Legislator of the Year suppose one could say i even take an and maintenance of annuals, perenni- by the Environmental League of activist’s approach in my work when- als, trees, and shrubs. I love color and Massachusetts in 2001. ever i can. When possible, i try to view variety and I’m not fond of lawns! I clients’ properties as opportunities to use organic soil development as the restore part of the environment to a Nick Novick healthier state. foundation of all of the gardens, but I newsletter editor, do not consider myself an organic land- The personal and professional con- steering committee, nections i’ve made through ELA have scaper and probably never will. My continuing director clients do not care what I do as long as been invaluable in the growth of my I’ve been actively involved with ELA professional knowledge, and have led the gardens look great, and I prefer the for about six years now. My time in to some great friendships and acquain- flexibility of looking at all of the factors landscaping extends only a little longer tances. I’m grateful to be involved with involved in a given garden and making than that, having shifted from a 10-year such a fine group of dedicated, fun the best decision available for both the stint where photography was mostly people. client and the environment. responsible for paying the bills. Despite As health and environment concerns My favorite part of ecological land- an academic background in natural continue to grow, the kind of informa- scaping is creating healthy soils and sciences (B.S. Environmental Conserva- tion ELA provides will be increasingly therefore creating an environment tion, UNH), until recently i had been important. A still relatively young and for healthy plants and people. I’m mostly working in publications pro- small organization, ELA will face new currently working with brewed com- duction and photography. And here i challenges as it grows to the next level post teas (Dr. Elaine Ingham’s work) am with ELA, still blending most of of organizational maturity. I look for- and soil remineralization for weak those interests. ward to helping ELA develop in its trees. Additional training in landscaping capacity to provide practical informa- and horticulture included UMass tion on sustainable tools and facilitate Extension’s Green School; the certificate connections between people in the program at New England Wild Flower spirit of our mission. 14
  • 15. Chris O’Brien garden management and outreach, Diane Syverson vice-president, steering committee, from the University of Washington. public relations coordinator, continuing director After completing my degree, it was steering committee, I joined the ELA about two years ago only natural for me to find my way new director because it is one of the few organiza- back to native plant horticulture. Cur- I am honored to be joining the board of tions concerned primarily with the rently, I am a horticulturist at Garden ELA, a group with a mission and an environmental effects of the work in the Woods, the botanical garden of organization to lead the way for other performed by landscape professionals. the New England Wild Flower Society. regions of the country. I agreed to serve on the Board of the I have a wide range of horticultural For many years I worked within the ELA because I think that my previous interests, plus many other related inter- arboretum and botanic garden commu- experience working on the boards of ests. I am very dedicated to the educa- nity, with elementary school children similar organizations can contribute to tion of professionals and the public and teachers. Then my job was to find achieving the goals of ELA. about environmentally friendly land- ways to encourage learners to think Previous experience includes work scaping concepts that will enhance and more deeply and often about plants. for trade, professional, and other not- build healthier surroundings for our To build their understanding about for-profit organizations, as well as in communities. I look forward to serving how incredibly interesting plants are the energy area. I currently help ELA as a board member and providing and how we depend upon them for life. operate Howard Garden Designs Inc., my expertise and enthusiasm to the A stimulating professional network which is a landscape design and build growth of our organization. was automatically part of working at firm based in Newton, Mass. the Arnold Arboretum in Jamaica Plain, Like most gardeners, I spend a lot Sue Storer Mass. of time fiddling around with our own treasurer, steering committee, Now I am starting a small garden gardens, but I also am interested in continuing director design business. I am especially curious blacksmithing and the creation of iron to find ways to help clients develop works for the garden and house. I have been on ELA’s board of directors their own awareness of their home’s from its inception in the early ’90s. This landscape ecology. This is a compli- organization has given me the informa- cated job. To succeed, I need a profes- Tom Smarr tion and support I have needed to put membership chair, sional network which shares a commit- (at least some of) my ideals into practice ment to changing the way we value the continuing director in my landscaping work. Over the past ecology of place—in our gardens and My appreciation for nature developed 10 years, I have helped coordinate the communities. A network to help me during my youthful days in the moun- organic lawn-care standards group; stay interested and informed. One tains of north central Pennsylvania. have organized round tables, annual with which to share and develop ideas, As a result, in part, of my several years meetings, and board retreats; and have stretch thinking, trade frustrations. of frolicking through the forests and served as president, secretary, and now Many thanks to those who founded the farm fields, I studied Environmental treasurer. It has been a thrill to see what Ecological Landscaping Association. Studies at a little-known school called this group has been able to accomplish I am pleased to be a member! ■ Slippery Rock University of Pennsyl- together so far, and I am very excited vania (located north of Pittsburgh). about our goals for the next several After completing my BS degree, a years. *** more demanding call to horticulture My work in horticulture began in the Note: Terry Bastian has resigned from immersed me into the beautiful world fields at Weston Nurseries (including a the board for personal reasons. of public gardens. During my several stint as a mule driver). I have worked years of work experience and studies, as the horticulturist at Garden in the I found myself in Seattle, Wash. There, Woods, ran my own garden design and I worked as a gardener and nursery maintenance business, and managed an salesman, and was the interim Edu- old estate undergoing massive renova- cation/Outreach Coordinator for the tions (it had all the elements of a good Center for Urban Horticulture. I also British sitcom). I am currently working completed a master’s degree in Urban part time as a subcontractor doing Horticulture, specializing in public garden installation and maintenance. 15