Q: These hard clear bubbles have formed from secretions from a few of my wild cherry trees. [The reader sent photos.] Do you think it is heat related or an indication of pending tree doom? Do other ...

Safeguarding your trees against pests is important to their health and longevity. Invasive species can wreak havoc by defoliating or infecting trees, and left untreated, can lead to loss of limbs and ...

When spring flowers and leaves burst forth on trees, so do many of their insect pests. In one instance, I had been keeping an eye on some prune trees in a garden over the past few months, noting a few ...

Invasive insects in the U.S. could kill up to 1.4 million street trees by 2050, according to researchers. In an international study published in the Journal of Applied Ecology, a team found that the ...

More trees are dying in Northeastern forests, and not just from old age. A new study authored by researchers at the University of Vermont finds disease and invasive insects spurred on by climate ...