Lately, it seems like every time you turn on the local weather forecast,
the meteorologist is talking about drought conditions. If you are
in a severely affected area, or under water restrictions, this doesn't
mean you have to give up gardening. By following some drought-wise
garden water tips, you can have your water, and your garden, too.
You may have come across the term "xeriscaping" (pronounced zer-a-scap-ing),
referring to dry climate gardening. Many people associate this term
with deserts, cacti, and succulent plants. But with dry climates
in much of the country now, this term means much more and definitely does
not mean "zero-landscaping."
This spring about one-third of the country is experiencing some level
of drought conditions with about one-third of the country in a drought
watch area. Some states and many counties, including all 14 counties
in Vermont, were made eligible for emergency farm drought aid this spring.
Some mid-Atlantic states imposed water restrictions earlier this year.
To keep up with current drought conditions through articles, links,
and maps, visit online the National Drought Mitigation Center (www.enso.unl.edu/ndmc/watch/watch.htm).
The University of Massachusetts has a website just for drought information
for New England (www.UmassDroughtInfo.org). Or see UVM OH
Leaflet 72.
So how can you save or recycle water, or use less?
Watering
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If you have water restrictions in your area or town, find out what they
cover. If drought conditions aren't too severe, they may just cover
use of lawn sprinklers and not watering of gardens.
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Water in the early morning, when there is less heat and wind, so less water
is lost to evaporation. Timers on automatic watering systems make
watering very early much easier.
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Don't use overhead sprinklers, which may lose over half the water to evaporation
on a hot day. Instead use manual watering, soaker hoses, or drip
systems. Soaker hoses are simply permeable hoses, often made of recycled
materials, which allow water to soak through them slowly. Placed
on beds near plants, they provide a slow trickle of water to the root zone.
If you cover these hoses with mulch, they lose even less water to the air
and are invisible.
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Water deeply and less often rather than for shorter periods more often.
This allows water to penetrate deeper, and thus encourages deeper roots
that are more resistant to drought. Lawns and bedding plants should
be watered to at least six inches deep. Perennials, shrubs and trees
should be watered to at least 12 inches deep. Use a rain gauge to
check the amount of water from your sprinkler or rainfall. These
are available from garden and hardware stores. One inch of water
will wet a sandy soil to a depth of about 12 inches.
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Water established plants only if really needed and once they begin to wilt.
Many perennials and woody plants may wilt, and not perform best if dry,
but will survive. This is especially true if they were healthy and
well watered prior to drought conditions. Only a few perennials such
as false spirea (Astilbe) have leaves that turn brown and don't recover
if dry, but have to generate new leaves.
Collecting, Saving Water
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Repair leaks in hoses and fittings. This may be as simple as replacing
the washers in hose fittings. A slow leak of one drip per second
can lose nine gallons of water a day, 260 gallons a month. A faster
leak, filling an eight-ounce cup in eight seconds, wastes 675 gallons a
day, or 20,000 gallons a month!
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Collect wasted and "gray" water from your household. The latter is
rinse water from dishwashers and from washing dishes. When adjusting
the hot and cold in baths and showers, use a bucket to collect the water
that would normally go down the drain before the temperature is adjusted.
You also can collect and reuse water from dehumidifiers or window air conditioners.
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Collect water from downspouts of gutters, or divert these directly into
flowerbeds.
Other areas to consider in the landscape for conserving water are
in the proper use of cultural practices, containers, and responsible lawn
care.
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University of Vermont
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