Q: I have some questions about a willow tree disease. A customer purchased some golden willows from us. Since planting them, he has found some glossy black patches on the bark. The patches were not ...

Apples, pears, crabapples and even some ornamentals are infected by fire blight, a destructive bacterial disease. Fire blight damage is noticeable when infected leaves suddenly turn brown, as if ...

The age and health of a tree should be considered when deciding whether to remove the tree, but the location of a tree is also an important consideration. I have a willow that has a disease that makes ...