2. Use pesticides to minimize pests,

not eradicate them. The latter is
often impossible and unnecessary.

. Besure you have accurately iden-
tified the pest so you can choose
the best pesticide for the job and
use it most effectively. Obtain pro-
fessional advice from your county

extension agent or a local expert.

4. Spot treat whenever possible. In

most cases, it isn’t necessary to
treat the whole lawn with pesti-
cides if the problem is confined to
certain areas. Spraying more than
necessary is wasteful and can be

environmentally damaging.

If you have questions about

a pesticide, call EPA's toll-
free National Pesticide
Information Center
(1-800-858-7378). For
general information on
minimizing pesticide risks,

call EPA for a free copy of
the Citizen's Guide to
Pesticides (EPA 730-K95-001).
The number to call is
1-800-490-9198.

ENG ,


1. Develop Healthy Soil

Good soil is the foundation ofa healthy
lawn. To grow well, your lawn
needs soil with good texture, some
key nutrients, and the right pH, or
acidity/alkalinity balance.

Start by checking the texture of
your soil to see whether it’s heavy
with clay, light and sandy, or some-
where in between. Lawns grow best in
soil with intermediate or “loamy” soils
that have a mix of clay, silt, and sand.
Whatever soil type you have, you can
probably improve it by periodically
adding organic matter like compost,
manure, or grass clippings. Organic
matter helps to lighten a predomi-

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nantly clay soil and it helps sandy soil
retain water and nutrients.

Also check to see if your soil is
packed down from lots of use or heavy
clay content. This makes it harder for
air and water to penetrate, and for
grass roots to grow. To loosen com-
pacted soil, some lawns may need to
be aerated several times a year. This
process involves pulling out plugs of
soil to create air spaces, so water and
nutrients can again penetrate to the
grass roots.

Most lawns need to be fertil-
ized every year, because
they need more nitro-
gen, phosphorus,
and potassium

than soils usually contain. These
three elements are the primary ingre-
dients found in most lawn fertilizers.
It’s important not to over-fertilize—
you could do more harm to your lawn
than good—and it’s best to use a
slow-release fertilizer that feeds the
lawn slowly. It’s also important to
check the soil’s pH. Grass is best able
to absorb nutrients in a slightly acidic
soil, with a pH of 6.5 to 7.0. Soil that
is too acidic can be “sweetened”
with lime; soil that’s not acid
enough can be made more “sour”
by adding sulfur.

Have your soil tested
periodically to see

whether it needs more



_ nM SS

For More Information

Affiliated with the Land Grant uni-
versity in each state is a system of
County Cooperative Extension Of-
fices. Usually listed in the telephone
directory under county or state govern-
ment, these offices often have a range of
resources on lawn care and landscape
maintenance, including plant selection,
pest control, and soil testing.

State agriculture and/or envi-
ronmental agencies may publish
information on pests and pest manag-
ement strategies. The state pesticide
regulatory agency can provide informa-
tion on pesticide regulations, and may
also have information on companies
with a history of complaints or viola-
tions. NPIC (see below) can identify
the agency responsible for pesticide
regulation in each state.

18

The Nationional Pesticide
Information Center is a toll-free,
information service that can be
reached by calling 1-800-858-
7378 or at npic.orst.edu. The opera-
tors can provide a wide range of
information about the health
effects of pesticides, and provide
assistance in dealing with pesticide-
related emergencies.

Libraries, bookstores, and gar-
den centers usually have a wide se-
lection of books that discuss lawn
care and other aspects of landscape
management. Garden centers may
also have telephone hotlines or ex-
perts available on the premises to
answer your gardening questions.

The Environmental Protection
Agency can provide information on
integrated pest management strat-
egies for lawn care. See our Web site

se ae ee

{REAPER Oe

at www.epa.gov/pesticides/controlling.

Some suppliers of lawn care
products can provide helpful tips,
answer questions, and help identify
problems. Look for information/hot-
line numbers on product packaging.



with your lawn, when you have other
options? At the base of a tree, for ex-
ample, you might have better luck
with wood chips or shade-loving orna-
mental plants like ivy, periwinkle, or
pachysandra. If your climate is very
dry, consider converting some of your
lawn to dry-garden landscaping. It
could save time, money, and water

resources.

What Is IPM?

Integrated Pest Management is es-
sentially common-sense pest control.
IPM is not a new concept; some forms
of it have been practiced for centuries.

IPM involves the carefully man-
aged use of three different pest con-
trol tactics—biological, cultural, and
chemical—to get the best long-term
results with the least disruption of
the environment. Biological control
means using natural enemies of the
pest, like lady bugs to control aphids.
Cultural or horticultural control in-

earthworm

volves the use of gardening method
like mowing high to shade out weed
Chemical control involves the jud
cious use of pesticides.

IPM isa highly effective approac
that minimizes the use of pesticid
and maximizes the use of natur
processes. Lawn care professiona
who use IPM should have a sophist
cated understanding of the ecosyste
of your turf and the available pe
control tactics. Home gardeners cz
also practice IPM by following tl
steps outlined in this brochure.

honey be

These are some
good bugs you will
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3. Mow High, Often and With Sharp Blades

Mowing high—that is, keeping
your lawn a bit long—will pro-
duce stronger, healthier grass
with fewer pest problems.

Longer grass has more leaf sur-
face to take in sunlight. This en-
ables it to grow thicker
and develop a deeper root
system, which in turn
helps the grass survive
drought, tolerate insect
damage, and fend off
diseases. Longer grass
also shades the soil sur-
face keeping it cooler, help-
ing it retain moisture, and

making it difficult for weeds to germi-
nate and grow.

A lawn’s ideal length will vary
with the type of grass, but many turf
grass species are healthiest when kept

between 2-1/2 and 3-1/2 inches. The

5 ruler at the back of this brochure
Ze» will help youjudge the best mow-

ing height for your grass vari-
ety. You may have to readjust
your mower—most are set
too low.
It’s also important to mow
with sharp blades to prevent
tearing and injuring the
grass. And it’s best to

mow often, because grass adjusts
better to frequent than infrequent
mowing. The rule of thumb is to
mow often enough that you never
cut more than one-third of the
height of the grass blades. Save
some timeand help your lawn andthe
environment by leaving short clip-
pings on the grass—where they re-
cycle nitrogen—rather than sending
them in bags to the landfill.

You don’t have to grow
a foot-high meadow to
get good results. Just
adding an inch will give
most lawns a real boost.



organic matter or the pH needs ad-
justing. Your county extension agent
(listed in your phone book under
county government) or local nursery
should be able to tell you how to do
this. These experts can also help you
choose the right fertilizer, compost,
andother “soil amendments,” and they
can advise you about aerating if your
soil is compacted. If a professional
service takes care of your lawn, make
sure it takes these same steps

to develop good soil.
There’s no getting
your
lawn’s healthis only

around it:

as good as the soil it
grows in.

A Wed

2. Choose A Grass Type That Thrives In Your Climate

The right type of grass—one that
suits your needs and likes the lo-
cal weather—will always give
better results. Grasses vary in the
type of climate they prefer, the amount
of water and nutrients they need, their
resistance to pests, their tolerance for
shade, and the degree of wear they
can withstand.

If you are putting in a new
<4 lawn, it will be worth your while to
do some research to identify the
best grass type for your needs.

If youre working with an
established lawn that fails to
thrive despite proper care, you
might consider replanting
with a different type of grass.

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ee,

Why struggle to grow grass that’s
susceptible to fungal disease if you
live in a humid climate? Or a water-
loving species if you live in an area
with water shortages? Grass that is
well-adapted to your area will grow
better and resist local pests and dis-
eases better.

New grass varieties and
mixtures come out on the
market every year.

Ask your county extension
agent or another one of the
sources listed in this brochure
for recommendations.

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5. Correct Thatch Build-Up

All grass forms a layer of dead plant
material, known as thatch, between
the grass blades and the soil. When
thatch gets too thick—deeper than
one-half inch—it prevents water and
nutrients from penetrating to the soil
and grass roots. Some grasses tend to
form a thick layer of thatch. Overuse
of fertilizer can also create a
heavy layer of thatch.

Youcan reduce thatch by raking
the lawn or using a machine that
slices through the thatch layer to
break it up. Sprinkling a thin
layer of topsoil or compost over
the lawn will also help.

In a healthy lawn, microorgan-
isms and earthworms help keep
the thatch layer in balance by de-
composing it and releasing the
nutrients into the soil.

6. Set Realistic Goals

Setting realistic goals will allow you
to conduct an environmentally sen-
sible lawn care program. It’s probably
not necessary to aim for putting-green
perfection. Did you know that alawn
with 15 percent weeds can look prac-
tically weed-free to the average ob-
server? Even a healthy lawn is
likely to have some weeds or in-
sect pests. But it will alsohave
beneficial insects and other
organisms that help keep
pests under control.
Also realize that grass
just can’t grow wellin certain
spots. Why fight a losing battle


Prevention, Pesticides 735-K04008
And Toxic Substances September 2004
(H7506C)

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Healthy Lawn:

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Healthy Envi ronment

Caring for Your Lawn in an 1 Environmentally Friendly Way

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Tips For Using Pesticides

Sometimes, even with good lawn care
practices, weather conditions or other
factors can cause pest problems to
develop. Pesticides can help control
many lawn pests. But pesticides have
risks as well as benefits, and it’s
important to use them properly.

The chemicals we call pesticides
include insecticides, herbicides, and
fungicides. These products are de-
signed to kill or control pest insects,
Pesti-

cides can be very effective. But don’t

weeds, and fungal diseases.

be tempted to rely solely on pesticides
as a quick-fix solution to any lawn
problem. Serious, ongoing pest prob-
lems are often a sign that your lawnis

not getting everything it needs.
In other words, the pests may be

a symptom of an underlying
problem. You need to correct
the underlying problem to re-
duce the chance that the pest
will reappear.

All pesticides are toxic to
This means

some degree.
they can pose some risk to

you, to your children and
pets, and to any wildlife

that venture onto your

Store pesticides out of children
lawn—especially if these

reach in a locked cabinet or.
. arden shed.
chemicals are overused or q

carelessly applied. Pesticides can also organisms, disrupting the ecological

balance of your lawn.

kill earthworms and other beneficial

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4. Water Deeply But Not Too Often

Watering properly will help yourlawn
grow deep roots that make it stronger
and less vulnerable to drought. Most
lawns are watered too often but with
too little water. It’s best to water
only when the lawn really needs it,
and then to water slowly and
deeply. This trains the grass roots
down. Frequent shallow watering
trains the roots to stay near the sur-
face, making the lawn less able to find
moisture during dry periods.

Every lawn’s watering needs are
unique: they depend on local

rainfall, the grass and soil type, and
the general health of the lawn. But
even in very dry areas, no established
home lawn should require daily
watering.

Try to water your lawn in a way
that imitates a slow, soaking rain, by
using trickle irrigation, soaker hoses,
or other water-conserving methods.
It’s also best to water in the early
morning, especially during hot sum-
mer months, to reduce evaporation.
Apply about an inch of water—enough

that it soaks 6-8 inches into

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the soil. Then let the lawn dry ow
thoroughly before watering it again.

The best rule is to water

only when the lawn begins

to wilt from dryness--when
the color dulls and footprints
stay compressed for more
than a few seconds.



Working With Nature: A Preventive Health Care Program For Your Lawn

To start, think about lawn care as a
preventive health care program, like
one you would use to keep up your
own health. The idea is to prevent
problems from occurring so you
don’t have to treat them. As
they say, an ounce of pre-
vention is worth a pound
of cure. A healthy
lawn can out-com- I~
pete most weeds, €
survive most insect
attacks, and fend off
most diseases—before
these problems ever get the
upper hand.

Your lawn care program should
be tailored to local conditions—the
amount of rainfall you get, for ex-
ample, and the type of soil you have.
The sources listed at the back of this

brochure can help you design alawn
care program that suits both local
conditions and your own par-
ticular needs. But no mat-

ter where you live, you can

use the program outlined in

this brochure as a general
guide to growing a healthy

lawn.

A preventive health care
rogram for your lawn

should have the following

steps:

1. Develop healthy soil

2. Choose a grass type
that thrives in your
climate

3. Mow high, often, and
with sharp blades

4. Water deeply but
not too often

5. Correct thatch build-up
6. Set realistic goals

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Choosing A Lawn Care Service

Many people choose to hire a profes-
sional company to help maintain their
lawn. Lawn care companies offer a
range of services, from fertilizing and
pest control to aerating, mowing, and
renovation.

Lawn care companies should fol-
low the same healthy lawn program
outlined in this brochure. They should
also follow the same precautions for
minimizing pesticide risks.

How can you be sure that a service
will do these things? Start by asking
questions like these:

ae at
ook

Q. Is the company licensed?

A « Nearly all states require lawn care
companies to be licensed. The qualifi-
cations for obtaining a license vary
from state to state, but having alicense
is one indication that the company is
reputable and operating legally.

Q. Does the company have a good
track record?

A. Ask neighbors and friends who
have dealt with the company if they
were satisfied with the service they
received. Call the Better Business
Bureau or the state or local consumer

protection office listed in your phone

WA WY

book; have they received any com-
plaints about the company? Deter-
mine from the state pesticide regula-
tory agency if the company has a his-
tory of violations.

Q. Is the company affiliated with a
professional lawn care association?

A . Affiliation with a professional as-
sociation helps members to stay in-
formed of new developments in the
lawn care field.

Q. Does the company offer a variety
of pest management approaches? Does
it apply pesticides on a set schedule or
only when they are really needed?
Does it use integrated pest manage-

ment, or "IPM'"—an approach that

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company should tell you how it plans
to take care of your lawn, and advise
you about the work you need to do to
keep your lawn in good shape.

Q. Will the company tell you what
pesticides it applies to your lawn and
why, and what health and environ-
mental risks may be presented by
their use?

A. You have a right to this informa-
tion. If asked, the company should
readily supply it. All pesticides sold
legally in the United States are regis-
tered by EPA, but such registration is
not a guarantee of safety. Ask to see
a copy of pesticide labels to make sure
they bear an EPA registration num-
ber, and to review the directions that
should be followed. If the company
can’t answer your questions about the
chemicals it uses, call NPIC (1-800-
858-7378) for more information.



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ENVIRONMENT

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is to work with nature. This means creating conditions for grass to
thrive and resist damage from weeds, disease, and insect pests. It
means setting realistic goals for your lawn, whether you or a
professional lawn care service will be doing the work. And if you
choose to use pesticides, it means using them with care so as to get
the most benefit and reduce any risks. % Caring for your lawn in an
environmentally sensible way can have a bigger impact than you phe

might think. Your lawn is only a small piece of land, but all the lawns , -
across the country cover a lot of ground. That means you and your

lawn care activities, along with everyone else’s, can make a difference AK

to the environment. And that’s why taking care of the environment
aa in our own backyards.

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G A rin g for Yo ur Picture a healthy green lawn: perfect for lounging, great for ball
% games and cookouts, a real asset to your home. But did you knov
La Wh If an that your lawn—and how you take care of it—can also help the
E nvironmenta | ly environment? #& Healthy grass provides feeding ground for
: birds, who find it a rich source of insects, worms, and other food.
Friendly Way Thick grass prevents soil erosion, filters contaminants from
rainwater, and absorbs many types of airborne pollutants, like
dust and soot. Grass is also highly efficient at converting carbon
dioxide to oxygen, a process that helps clean the air. ® Caring
for your lawn properly can both enhance its appearance and
contribute to its environmental benefits. You don’t have to be an
expert to grow a healthy lawn. Just keep in mind that the secret

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When Spraying, Protect

your lungs

Wagh this clothing separately
before _ it again.

. Take safety precautions. Never

assume a pesticide is harmless.

Read the entire label and follow its
instructions. Use only the amount
directed, at the time and under the
conditions specified, and for the
purpose listed.

Be sure to wear any protective
clothing—like gloves, long sleeves,
and long pants—indicated on the
label. Wash this clothing sepa-
rately before using it again.

Before Using Any Pesticide, Be Sure To Review These Basic Rules

4) Keep children and pets away from

pesticides, and make sure no one
goes on a treated lawn for at least
the time prescribed by the pesti-
cide label.

Remember to follow any state or
local requirements for posting your
treated lawn or notifying your
neighbors that a pesticide has been
applied.

Store and dispose of pesticides
properly, according to the label di-
rections and any state and local
regulations.

ih AT if L
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often reduces pesticide use by combin-
ing it with other, non-chemical meth-
ods of pest control?

A. More and more lawn companies
are offering integrated pest manage-
ment (IPM) in response to public con-
cern about pesticides. Be aware that
IPMisa general term and that compa-
nies may use it to describe a wide
range of activities. Find out exactly

what a company means if it says it
uses IPM.

Q. Is the company willing to help you
understand your lawn's problems and

the solutions?

A . Lawnservices generally apply fer-
tilizers and pesticides. But you may be
the one who mows and waters—and

poor watering and mowing practices
can lead to disappointing results. The

4 16
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