American elms, Ulmus americana, are native to North America from Saskatchewan to Nova Scotia and from Texas to Florida. They grow 60 to 80 feet tall, with a thick trunk, the shape of a vase and a ...

But there’s hope, and that’s where Holden Arboretum is playing an important role, whether it’s researching spread of the disease, experimenting with insecticides, or trying to clone trees that are ...

The North Carolina Forest Service has been receiving reports of scorched-looking elm trees throughout central North Carolina, from Davidson to Johnston counties. But Jim Slye, the service’s Forest ...

1. Gnomonia ulmea (Schw.) Thüm., the cause of the most common elm leaf spot in America, has been reported as occurring on five of the six native species of elm in this country and is of wide ...

At the corner of Route 73 and 9N, overlooking a snowcapped ridge of Adirondack peaks, a 60-foot tall elm tree stands sentinel at the edge of a wetland valley. A popular stop for photographers and ...

The perfect elm tree, says horticulturalist Bruce Carley, would grow quickly and require only moderate pruning. It would have boughs angled well to bear heavy snow and ice, and it would take an ...

American beech trees, present throughout Rhode Island’s forests and along the East Coast, are facing an existential threat. Beech leaf disease will likely cause a “huge loss” to forests in Rhode ...

Question: I have property in downtown New Braunfels that is in horrible condition and has a bamboo issue. And there are two beautiful trees that seem really old. Well, I was taking the fifth lesson of ...

The American elm (Ulmus americana) was once a common sight on the Upper Mississippi River, but Dutch elm disease, or DED, has killed many trees. DED is an invasive fungal pathogen that is spread by ...

U.S. Army Corps of Engineers Forester Andy Meier inspects an elm tree on the Mississippi River for possible signs of Dutch elm disease, which has wiped out many of the elms in the river's floodplain ...

Getting your Trinity Audio player ready... Dutch elm disease has been reported back in Denver after more than a decade of its absence. The Denver forestry office discovered the disease last month in ...

American elms, Ulmus americana, are native to North America from Saskatchewan to Nova Scotia and from Texas to Florida. They grow 60 to 80 feet tall, with a thick trunk, the shape of a vase and a ...