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 ...

Question: I'm writing to ask what to do about a 25-28- year-old white birch in my front yard. The leaves are turning yellow and falling at an alarming rate. This is the first time I have noticed such ...

At first I thought those hundreds of rolled-up leaves on the two old birches holding the hammock were catkins, those long, thin flowers we see in the spring. Of course, that was easy to think with a ...

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 ...

Larvae of the leaf beetle Chrysomela lapponica attack two tree species: willow and birch. To fend off predator attacks, their larvae produce toxic butyric acid esters or salicylaldehyde, whose ...

People love their chalky white birch trees. Unfortunately, so does a tiny insect that causes big problems. Only a half-inch long as an adult, the bronze birch borer started establishing itself in the ...

Paper birch, though, is so much more. According to the National Park Service, there is evidence of the trees being used by ...