They are usually tough and resilient, but brown foliage is a sign that your tree is not happy. Here are five common causes ...

Controlling maple petiole borer is difficult and generally unnecessary. Although leaf drop may at times be large enough to cause concern, rarely does more than 25% of the tree’s leaves fall.

Right about now, you may start to notice a powdery substance covering the leaves on your trees and shrubs – most likely, this ...

Leaves of infected trees have dark, irregularly shaped damaged areas, or lesions, composed of dead tissue. The lesions grow between veins and on leaf margins.

Q: There are multiple little bumps on most leaves on our 5-year-old maple tree. We’re thinking they’re eggs and we’re wondering how to treat the tree. — Angie K.

Banner image: tar spot on maple leaf, photo by Purdue Plant and Pest Diagnostic Laboratory Maple trees are among the most loved and widely planted shade trees in home landscapes. Maples produce seeds ...

Have you noticed discoloration on your maple tree leaves this year? You aren't the only one. Here's what you should know ...

Banner image: tar spot on maple leaf, photo by Purdue Plant and Pest Diagnostic Laboratory Maple trees are among the most loved and widely planted shade trees in home landscapes. Maples produce seeds ...