April 8, 2022

Spots open for 2022 Wild-Harvested Mushrooms Certification Class

Upcoming in-person classes through Iowa State University Extension and Outreach will teach those hoping to sell wild-harvested mushrooms in the state to distinguish safe mushrooms from potentially poisonous lookalikes. 

Growing Leafy Greens

Picture of green and red letuce

Leafy greens like lettuce, spinach, kale, collards, mustard, endive, and chard are great cool-season vegetable crops. They are some of the easiest vegetables to grow making them perfect for beginners. 

Plant Identification Apps for Gardeners

Picture of a cell phone taking a picture of a plant

Our smart phones can be wonderful tools and there are several apps available on our phones that can help with plant identification. 

Avoid Oak Wilt: Stop Pruning Now

Fungal mats form in red oaks that died the prior summer due to oak wilt.  Look for raised cracks in the trunk that emit a fruity smell.   Photo credit T.W. Bretz, USDA Forest Service, Bugwood.org

Pruning oak trees in spring and summer exposes them to a high risk of contracting oak wilt, a deadly disease that can infect and kill a range of oak species. Maintenance pruning should be stopped now until August.

Soil Testing Resources for Home Gardeners

photo of a trowel stuck into the soil

Spring is a great time to do a soil test.  Visit the Soil Testing Resources page on the Horticulture and Home Pest News website to learn more about how to collect a soil test and where it can be sent for testing. 

Plant Shopping Tips

Potted plants on a cart at the garden center

Learn the steps to selecting healthy and high-quality plants before you venture out to shop for plants.

Emerald Ash Borer Discovered in 3 More Iowa Counties

Emerald ash borer has been found in Clay, Hancock, and O’Brien counties for the first time. The invasive, ash tree-killing insect from Asia has now been confirmed in all but 10 of Iowa’s 99 counties since its original detection in 2010.