Q: Our 12-year-old weeping birch tree appears to have died because all the leaves have turned brown. Do you think it is a goner or should we wait to see if it revives next year? What do you think ...

The birch trees in this photo appear to have been infested with bronze birch borer, as indicated by the dead upper branches where larvae have disrupted the flow of water and nutrients.

Dear Neil: I have two weeping willows, one hybrid poplar and a river birch tree. They are all fairly close to one another. The willows and poplar are 2 years old, and I've had the birch for one year.

Q. (My) birch tree, planted many years ago, has never really grown full. In the spring, it will get tiny green leaves but (it’s) still very airy and not full foliage. We’ve been told not to prune it.

Researchers have elucidated the pivotal function of the BpNAC90 gene's phosphorylation in birch trees, which is essential for their drought tolerance. This discovery in gene expression regulation ...

Homeowners should periodically inspect their trees for warning signs. Signs of an unhealthy tree include falling bark, abnormal leaves and the presence of fungus or mushrooms. Certain tree species, ...