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.

WHAT: Cutleaf purple beech, also known as the Rohanii variety of fagus sylvatica, is one of the most majestic trees gardeners can add to larger landscapes. WHY PLANT IT: Its smooth, gray-barked trunk ...

In just a decade, this unusual disease has spread from Ohio across the Northeast. Scientists are testing treatments, but answers come slowly. Backlit leaves of an American beech tree show dark bands, ...

A new study from Holden Forests & Gardens and a team at USDA Agricultural Research Service confirms that beech leaf disease—a fast-spreading disease already devastating American beech across eastern ...

Beech trees, one of the most abundant and crucial hardwood trees in New Hampshire, are getting pummeled by beech leaf disease this season. “The trees actually look quite terrible,” said Jeff Garnas, ...

It's no day at the beach for beech trees on Cape Cod these days. A malady known as beech leaf disease (BLD), first detected in Ohio in 2012, has made its way to Massachusetts, where it was first seen ...

Look up through the leaves of almost any native hardwood forest in Southern Berkshire County today, and you might notice an unhealthy, strange striping to some beech leaves. Then, on closer ...

Above: This photo tells an entire story. Taken at Roan Mountain State Park in Tennessee in January, it shows most of the deciduous trees are bare. However, you can easily see the light tan colors of ...