Penn State Extension’s first spring orchard meeting took place April 29 at Stauffer's Fruit Farm and Market in northeastern ...

Common apple tree pests are aphids, codling moths, and apple sawflies; diseases like apple scab and powdery mildew can ...

For example, if you grow roses, you may have problems with diseases such as anthracnose, rust, leaf spot, or powdery mildew. Growers of both apple trees and crabapple trees commonly face apple scab.

And it's not just trees and flowers that can be affected ... there's a common infection that can wreak havoc on your garden grass. Powdery mildew, which shows up as a white tinge on your plants ...