The caller on the other end of the phone was worried: Her apple trees had suffered severely last year from cedar-apple rust disease, and she wanted to know how to keep them from being attacked again.

QUESTION: Does cedar apple rust actually harm the cedar tree or is it just unsightly? We planted a crabapple tree nearby a few years ago, and now the cedar has a lot of those rust galls. If the rust ...

Our often-wet springs bring with them the perfect conditions for many plant diseases. While moist weather can create conditions for diseases on many plants, sick trees in the landscape tend to draw ...