The pinkish-red spots on your birch’s leaves appear to be erineum patches, which are a type of gall caused by very tiny eriophyid mites feeding on the leaf tissue. You will need a microscope to see ...

My birch tree has developed a yellowish color to the leaves. It also has been dropping a lot of brown leaves over the last couple of weeks. Are these two problems connected? What is wrong, and what ...

Brown birch trees in both Southcentral and Interior Alaska this summer aren’t signaling an early fall. Rather, they are subject to an infestation of small, leaf-munching larvae. Alaska is in the midst ...

Q: Can you help me figure out what’s likely going on with this river birch tree? The tree has been dropping leaves incessantly since about April/May, hundreds per day. Should this tree be dropping its ...

Removing leaves can be a chore at best and a major frustration at worst, but catering your approach to leaf type will make ...

Wall-grown peach and nectarine trees need to be protected from leaf curl, a disfiguring fungal disease. It's caused by the Taphrina deformans fungus, which is carried in rain and causes severe ...