July 15, 2022

Updated Emerald Ash Borer Information

Emerald Ash Borer Adult

Emerald ash borer is now in all but 7 of Iowa’s 99 counties.  As it spreads across Iowa, the impact is felt differently depending on if your community has just been reported infested or has been infested for many years. 

All About Beans

Cowpea Coronet

Beans are a staple in nearly every garden. They are also an incredibly diverse group of plants. They come in many shapes, sizes, and colors. While Iowa is known for growing soybeans, there are many other types of beans that grow well in the home garden. 

Iowa State Fair Weed Identification Contest

Test your weed ID skills at the Iowa State Fair on August 12, 2022!

Japanese Beetles are Back in Full Force

Japanese Beetle Adult

Japanese beetles are back in full force, and will be here for a while longer. Read for more information about Japanese beetles and management options.

Walnut Trees Wrapped with Webbing

Walnut trees defoliated and leafroller

We have received few (very few) reports of a peculiar phenomenon involving woodland walnut trees in Iowa.  In each case, the walnut tree leaves are gone, and the tree trunks are shrouded with fine webbing.

Growing Grass in Shady Areas

Trees provide many environmental and psychological benefits. However, trees and turfgrass are not very compatible. Large trees cast considerable shade. Trees also compete with turfgrass for water and nutrients. As a result, most turfgrasses have a difficult time growing in the vicinity of large shade trees.