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Core Aeration View
Disease Control View
Fertilization View
General Topics View
Grass Establishment (Seeding and Sodding) View
Insect Control View
Lawn Repair or Renovation View
Mowing View
Thatch Control View
Turfgrasses for Iowa View
Watering View
Weed Control View


When is the best time to lay sod in Iowa?

Sod can be successfully installed from spring to fall.  However, spring (late April and May) and late summer/early fall (September and October) are the best times to install sod in Iowa.   ....

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 ....

Do I need to remove the leaves on my lawn?

Turfgrass plants utilize light, water, and nutrients to manufacture food.  In fall, lawn areas beneath large trees are often completely covered with leaves.  The leaf debris prevents the turfgrass plants from manufacturing and storing food prior to winter.  A thick layer of leaves (little or no grass is visible) will ....

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 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 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 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 ....

How often should I fertilize my lawn?

In Iowa, Kentucky bluegrass lawns can be fertilized in spring (April or May), mid-September, and late October/early November.  The number of fertilizer applications is largely determined by an individual’s desires or expectations for their lawn.  Three applications of fertilizer (the first in spring, the second in mid-September, and third in late ....

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 often should I mow my lawn?

Kentucky bluegrass lawns should be mowed at the height of 2½ to 3 inches in spring and fall.  Set the mower blade to a height of 3 to 3½ inches during summer.  As a general rule, never remove more than 1/3 of the total leaf surface at any one mowing.  For ....

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