Septoria, white-mold, thrips… Today on Talk of Iowa, it’s Horticulture Day. Host Charity Nebbe talks about what pests and diseases may be growing in your garden this year with Erika Saalau Rojas of the Iowa State University Plant and Insect Diagnostic Clinic. Horticulturist Richard Jauron joins as well. He and Erika will help you trouble shoot and answer your questions.