Knowledgebase
Shrub leaves turning white #870246
Asked May 27, 2024, 10:37 AM EDT
Hennepin County Minnesota
Expert Response
The following publication discusses powdery mildew, its cause, and what to do about it:
https://extension.umn.edu/plant-diseases/powdery-mildew-trees-and-shrubs#using-fungicides-1584911