leaves on my peonies are turning white
Do my peonies have mold because the leaves are turning white, and should I cut them off? As the leaves on my peonies are turning white, I'm wondering if this is mold and will it spread to my other plants nearby?
Certified GKH Gardening Expert
This is Powdery Mildew.
Here is a link with more information and how you can treat it.