Fall Lawn and Garden Pests

With the cool weather of the fall season, most lawnfall lawn and garden pest they do not do as much
and garden pests and diseases begin to dwindledamage as they do in the spring, but they can still be
away. Yet, there are a few lawn and garden pestsa concern for some climate zones, especially those
that thrive off of the cool temperatures of the fallthat stay above freezing well into November.
season. One good point about fall lawn and gardenKeep in mind that grubworms will usually survive over
pests is that they will not have the chance to last asthe winter and turn into adult beetles, repeating the
long as spring and summer pests because theentire life cycle in the spring, and this is why
freezing temperatures of winter will kill them off longgrubworms can be such a problem for all seasons.
before they do a tremendous amount of damage.Most of the time, they will hatch in the late summer
Still, though, if these fall lawn and garden pests haveand begin feeding on lawn and garden roots in the
been at it all summer long, they may stick aroundfall. This is when gardeners will notice patches of
through the fall and wreak havoc on the remainingdead grass or grass that is squishy or can easily be
lawn and garden perennials, bulbs and trees.pulled up since the roots are missing.
Fall ArmywormsIf at all possible, apply grubworm control in the mid
The most beautiful part about the fall season is theto late summer, something with the active ingredient
different colors of foliage that will begin to appear inimidacloprid, which is a chloro-nicotinyl compound. This
September and October. Unfortunately, Fallwill kill the larvae before they get a chance to hatch
Armyworms love to prey on this beautiful foliagein the late summer and will keep the life cycle from
during the fall months, as their name suggests, andperpetuating.
can do damage very rapidly.Sod Webworms
They usually appear in September and will stickSimilar to the grubworms, sod webworms have a
around until the first big frost. The major problemyear long life cycle that means they can become fall
with this fall lawn and garden pest is that they almostlawn and garden pests as well as being bothersome
always feed at night, making it hard to identify theduring the spring and summer. Instead of arriving in
problem until you wake in the morning to leaves thatthe form of beetles, the sod webworms come from
have been chewed around the edges.adult moths that usually begin laying eggs in the
The upside to Fall Armyworms as a fall lawn andspring.
garden pest is that they are usually easy to spot, asThe difference is that their eggs hatch fairly quickly
they are a large tan to dark brown colored wormbut the webworms are so small that their infestation
with a large stripe either brown or red in color onmay go undetected until they cocoon and reemerge
each side. Fall Armyworms often like to makeas moths in the late summer to produce another
themselves present in cornfields in the early fallgeneration that is more destructive. This is why you
months and can cause major damage to themay see sod webworm problems in the fall months.
remaining corn crops. For those farmers andWhile it is helpful to use preventive sod webworm
gardeners who are aware of Fall Armyworms, acontrol through Microbial pesticides, the problem is
pretreatment of pesticides will usually kill the larvaethat many of these pesticides will not only kill the
that are preparing to hatch. Unfortunately, themoths of sod webworms, they may also kill
pretreatment needs to be established by late July orbutterflies and even non-pest moths.
August to prevent damage in September.The best method of prevention is to simply clean up
Grubwormsleaves, grass clippings, mulch and plant debris in the
Grubworms like the cool weather season and feedfall months to keep the webworms from making
more in the spring and fall months. Fortunately as awebs in these places and producing more larvae.