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 ...

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 ...

Most of us enjoy the beautiful colors of fall, but not everyone may know what causes leaves to change.There are three colors or pigments naturally produced in leaf cells: green from chlorophyll, ...