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Core Aeration View
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Fertilization View
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Grass Establishment (Seeding and Sodding) View
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Lawn Repair or Renovation View
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Turfgrasses for Iowa View
Watering View
Weed Control View

FAQs

Are broadleaf herbicides effective when applied during dry weather?

Broadleaf herbicides are most effective when applied to weeds that are actively growing.  During prolonged periods of dry weather, some weeds are likely to curl up or wilt.  An application of a broadleaf herbicide to drought stressed weeds will likely be less effective as wilted foliage will absorb less herbicide ....

How do I control dandelions and other broadleaf weeds in my lawn?

In small areas, some weeds can be controlled by pulling and digging.  This method is best accomplished after a soaking rain or deep watering.  Unfortunately, pulling and digging is often ineffective on deep-rooted weeds.  In many situations, herbicides are the only practical method of weed control.  Effective broadleaf herbicides ....

How do I get rid of moss in my lawn?

Mosses in lawns are usually a sign of poor growing conditions.  Turfgrasses have a difficult time growing in heavy shade, compacted soils, or other poor sites.  However, mosses are adapted to a wide range of environmental conditions.  Mosses in lawns are usually associated with heavy shade, low fertility, poor drainage, ....

How can I avoid drift problems when applying a broadleaf herbicide to my lawn?

Before applying any herbicide, carefully read and follow label directions.  When applying liquid formulations, potential spray drift problems can be avoided by following simple precautions.   Don’t spray when winds exceed 5 mph.  Also, don’t spray when temperatures are forecast to exceed 85F within 24 hours of the application.  Since coarse ....

How can I control violets in my lawn?

Violets (Viola species) are native to Iowa.  Native habitats vary from dry, rocky prairies to moist woodlands.  Violets are also found in lawns, especially in shady areas.  Violets are difficult to control in turfgrass areas.  Digging up the plants is an option for home gardeners with a small infestation of violets.  ....

How do I control crabgrass in my lawn?

The best way to prevent crabgrass infestations in lawns is to maintain a thick, healthy lawn through proper mowing, irrigation, and fertilization.  Crabgrass will have a difficult time germinating and surviving in a dense stand of turfgrass.  Gardeners who have had crabgrass problems in recent years should apply a preemergence ....

How do I control creeping Charlie in my lawn?

Ground ivy (“creeping Charlie”) in lawns can be controlled with broadleaf herbicides.  Products that contain 2,4-D or triclopyr are most effective.  2,4-D is an active ingredient in many broadleaf herbicide products.  Triclopyr can be found in Ortho Weed-B-Gon Chickweed, Clover, and Oxalis Killer for Lawns and a few other products.  ....

How do I control nimblewill in my lawn?

Nimblewill (Muhlenbergia schreberi) is a warm-season perennial grass.  Nimblewill is a thin, wiry grass that is pale green or gray-green.  It spreads by aboveground shoots or stolons, often forming circular spots in the lawn.  Nimblewill is easy to spot in the lawn because it greens up late in spring and ....

How do I control water grass in my lawn?

“Water grass” is an ambiguous name.  Several plants are occasionally referred to as water grass.  Two common lawn weeds that are sometimes referred to as “water grass” are crabgrass and yellow nutsedge.  Crabgrass (Digitaria spp.) is an annual, warm-season grass.  Crabgrass seeds begin to germinate when soil temperatures reach 60 degrees ....

How do I control white clover in my lawn?

White clover (Trifolium repens) is a creeping perennial.  It is a common plant in many Iowa lawns because it is a prolific seed producer and adapts well to mowing and other lawn care practices.  Its presence is often a sign of low nitrogen fertility.  White clover in lawns can ....

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