Q: The leaves of our maple tree have red bumps. I’m wondering if they’re going to damage the tree, of if there is something I can do in the spring to prevent it. - Alan R. A: The bumps, which are ...

In late summer or fall, Cercospora fungus causes brown spots on hydrangea leaves. The plant looks unsightly but usually recovers from the disease. Drip irrigation, good air circulation, and removal of ...