In this episode of ID That Tree, meet the ash family, with specific focus on the white ash, which is typically found on higher and drier sites than its cohorts. This species, which is in trouble due ...

Associated Press How do I know if I have ash trees on my property?There are four species of ash native to the eastern United States white, green, black and blue. Branches and leaves always grow in ...

Cornell is at the forefront of determining how "invisibility cloaks" and walls of protection may give ash trees hope of revival.

The invasive insect Emerald Ash Borer (EAB) is old news for much of Indiana, including White County, and it has already done extensive damage to the state’s ash tree population. While much of the harm ...

Winter isn’t the ideal season for pruning trees in Upstate New York, but it’s the best time to cut scion or twigs from ash trees in parts of the state where the species has been all but wiped out.

Dartmouth College undergraduate researcher Farrar Ransom looks up to the still-unfolding leaves of an ash tree in the Hubbard Brook Experimental Forest in North Woodstock, N.H., on May 19, where he ...

Along the St. Louis River, more than 60,000 trees will be planted to replace dead ash trees and protect the estuary. With dead ash trees all around, Nathan Wagner, of Janesville, Wis., a member of ...