Spotting a few brown or dying leaves on your tree can be distressing. While it's probably not a reason to panic, it is a sign that you should take a closer look at your tree's health. A lot of ...

Pennsylvania naturalists are keeping an eye on a disease that has been killing beech trees in the eastern U.S. for more than a decade, but has begun spreading more rapidly in the past three years.

Beech leaf disease has already made its way to 15 states and into Ontario, with alarming results. By Margaret Roach I am hardly alone among gardeners who have called upon a copper-leaved European ...