Powdery mildew almost covers the leaves of this peony. It’s a common fungal disease on ornamental plants.
Powdery mildew almost covers the leaves of this peony. It’s a common fungal disease on ornamental plants. Lee Reich AP
Powdery mildew almost covers the leaves of this peony. It’s a common fungal disease on ornamental plants. Lee Reich AP

What’s that white stuff on my shrub?

November 30, 2017 02:00 PM