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 ...

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 ...

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 ...

The chartreuse leaves of the birch tree are one of the first signs of spring in Southcentral Alaska. But for a few weeks before the leaves unfurl the trees offer a sweet treat –a watery liquid that ...

Dr. Sydney Brannoch holds a single birch leaf showcasing the damage caused by both species of birch leafminer which are responsible for this current outbreak: amber-marked birch leafminer and late ...