Bark beetles moving between trees routinely carry two fungi that are responsible for the Dutch elm tree disease outbreak.

For centuries, the American elm tree dotted the Eastern United States with its wide, spindly canopy, it branches splitting away from the trunk into an arching umbrella of leaves. But as a University ...

Mike Javidi put his hand on a the rough, damp bark of the massive cut of a tree trunk in front of him. It was at least four feet in diameter and came from the mid-section of an historic elm tree cut ...

It’s a sunny September day in Castine, Maine, and I’m standing in a stranger’s yard debating how best to hug a tree. Not just any tree, but an American elm, a fully mature Ulmus americana. I want to ...

There is a substance oozing from the trunk of my elm tree. What is this and what should I do to solve this problem? Your tree appears to have slime flux, which is a very common bacterial disease that ...

We had an old elm tree cut down a number of years ago but left the trunk about 15 feet, as I would like to save it for use as a piece of chain saw art. The tree kept growing from the top and ended up ...