for the past 2 yrs my peonies will develop a gray dusty look to the leaves...
for the past 2 yrs my peonies will develop a gray dusty look to the leaves then turn brown over the entire plant after the blooms fade,then it just looks dead like in early winter. plz advise, thanz
Wayne County Michigan horticulture
Your peony probably has powdery mildew. Here are links for more information: