Powdery Mildew – A Host Specific Malady
Q: After fighting powdery mildew on a crape myrtle, I’ve decided to dig it up and plant a Japanese maple in its place. Is there something I should do to the soil before I plant?
A: Powdery mildew is very host-specific. The two plants are unrelated so powdery mildew from the crapemyrtle won’t affect the maple