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.

Take a stroll through your community and you'll likely pass beneath the canopy of an ash tree or marvel at these trees that ...

Goetze: An interesting tree of our Rolling Plains region is native to Texas, New Mexico and Oklahoma and has close relatives ...

Lea Nash was talking to her neighbor about Oregon's newest pest when one flew into her neck — or so she thought. Standing near their Eugene homes close to River Road, the bug bounced off her neck and ...

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.

Glen Cove will replace ash trees damaged by the emerald ash borer, an invasive beetle from Asia that has destroyed tens of millions of trees across North America, city officials said. The city will ...

Jennifer Killian knew the inevitable was coming. She just didn’t know how soon. As an urban forester for the city of Corvallis, her biggest fear was that the emerald ash borer, an invasive beetle, ...

Ash trees are dead or dying because of the little iridescent green beetle The emerald ash borer's small size – no bigger than a cooked grain of rice – belies its destructive power. The beetle’s ...