Purdue extension forester Lenny Farlee introduces you to the red elm, or slippery elm. He shares about how to identify the red elm and also how to differentiate it from its relative, the American elm.

DALLAS — The winter freeze this February was a tough test for trees across North Texas, and we're still seeing the impact months later. If your trees appear to be dying now, there's a good chance it ...

A new, invasive insect species has been detected in Ohio for the first time, authorities said. The elm zigzag sawfly was spotted by researchers infesting elm trees in both Franklin and Delaware ...

Prospect Park Alliance arborist Malcolm Gore counted the rings on a tree stump at the top of a hill in Prospect Park. "I got to 90,” he said. Counting tree rings for age isn’t entirely accurate, Gore ...

GALESBURG, Ill. (AP) _ Elms once were Galesburg's trees of choice, their majestic branches not just providing shade but forming natural canopies over its streets. Thousands of the city's elm trees ...

EGREMONT — Berkshire County's most photographed tree got a special injection Friday morning to protect it from Dutch elm disease. Early Friday, before the daily heat could set in, a crew from ...