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Annual Aerating and Over-seeding
Proper root development
depends on loose soil, especially when it comes to turf grass. Thorough
aeration of compacted soils is the only way to loosen soils without disturbing
existing turf plants. Fertilizers and pH correcting lime also reach root
zones easier when soils are loosened. It could take years to
correct the pH of compacted soil. We
depend on our aeration efforts to give us the results we deliver. Fescue
plants have a life span of 3-5 years so introducing a new generation each fall
is sound practice. Annual care in the form of heavy aeration and light
over-seeding will help keep your fescue lawn healthy and vigorous.
Some seeders employ a
method known as slit seeding. Slit seeding is a process by which 1/2"
grooves are cut into the soil and the seeds are left to germinate in compacted
clay. This does not inhibit the germination process but it does prevent
the establishment of a deep root system, decreasing the chances of survival and
weakening the foundation of your yard.
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Basic Lawn Care Service
Includes:
Early Spring:
Slow-release balanced fertilizer, pre-emergent and post-emergent weed
control
Late Spring:
Slow-release balanced fertilizer, pre-emergent and post-emergent weed
control
Mid-Summer:
Insect inspection and post-emergent weed control, soil sample taken to check
pH level, lawn evaluation, aerating and over-seeding recommendations
Early Fall:
Slow-release balanced fertilizer or seed starter fertilizer and
post-emergent weed control
Late Fall:
Quick-release nitrogen fertilizer
Additional Lawn Care Services:
Brown Patch
Control: This service controls ugly brown patch disease. This is
recommended beginning in late spring until mid-summer while brown patch is a
threat.
Lime: Proper
amount necessary is determined by the annual soil test provided with the lawn
care program.
Grubworm Control:
Late summer service to control grubs after they hatch and are actively feeding
on grass roots near the soil surface.
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Dethatching
Removing excessive thatch
caused by mulching or side discharge mowers is a cultural practice that will
help control lawn diseases such as brown patch and help oxygen reach the soil
level. This service is commonly performed prior to aerating
and seeding and is only necessary for extreme situations in fescue lawns. Weeds
and moss can also be removed while dethatching to improve seeding conditions.
Years of grass clippings accumulate and cut off
air and water from the soil. First we will employ the use of a dethatching
machine over the entire lawn. Then all of the dead plant material will be raked
up and removed.
The soil
is exposed between the growth of living fescue, ready to accept the seed.
Watering Fescue
Fescue needs
approximately 1 inch of irrigation per week to perform its best. Keeping mind
that many factors and site situations will make that figure fluctuate. The only
way to determine how much you lawn needs is to evaluate its performance and log
irrigation efforts.
I strongly recommend
watering “days consecutive” instead of “ days alternate”. By giving your lawn
water on Monday, Tuesday and Wednesday, then off the remainder of the week you
will force water deep into the top soil. Alternate days schedule only dampens
the top layer of soil and allows a dry out period between cycles. A good
watering plan must start here.
Newly seeded fescue needs
a sprits of water everyday, twice a day is even better, but only for a short
period of maybe 5 minutes or less. All you want is just enough to dampen the
soil. This is critical yet simple with the
Rainbird ESP LX.
Continue this process
until you feel that all the seeds have germinated and reduce all irrigation by
50%. The number of possible configurations are many ie:
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Number of minutes per cycle.
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Killing Bermuda grass
Almost all good
landscape horror stories seem to have Bermuda grass in a starring role. It
creeps in to shrub beds, grows across pavement and pathways, it creates yellow
patches in fescue lawns in the winter. It even degrades the integrity of asphalt
by growing in it and under it. So, what do you do? Kill it!
This grass has it’s
place, but it doesn’t belong in the average home lawn. Eradication can be a
lengthy process, some times taking several years to complete. Here are some
control strategies that can be considered:
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To have your lawn in disrepair for
four to six weeks begin to kill it with grass herbicides in late July and follow
up the process biweekly until one week before seeding, A return of the Bermuda
grass next summer is almost sure, but you will have much less of it. The process
will have to be repeated.
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In late spring, early summer when
Bermuda grass has fully broken dormancy begin the killing process with grass
herbicides, monitor and re-spray as needed. Eradication in one season is very
likely and preferable.
Regardless whether
plan one or plan two is best for you, there are some cultural
practices that should be employed.
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Since herbicides are not effective
when your target weed is in drought stress you should keep the Bermuda grass
watered during the killing process. Use good judgment about how much to water.
Don’t over irrigate, just keep it damp.
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After the effects of the first
spray are visible, dethatch the area and remove the debris. Re-growth (and there
will be some) will be easier to see and herbicides easier to apply. Expect to
re-spray on two week intervals.
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