Downy Mildew on Horticulture Day
A new disease is appearing in Iowa. Downy mildew is taking its toll on the state's impatiens, and may have gardeners rethinking their landscapes. This and other plant disease and insect concerns are the topic of Horticulture Day. Guests include Laura Jesse, Entomologist and Erika Saalau-Rojas, Plant Pathologist of the ISU Plant Disease and Insect Diagnostic Clinic and Richard Jauron of Iowa State University Extension.