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 ...

The Common Ash tree is one of the most recognizable species in the UK, reaching heights of up to 30 meters. In this video, we ...

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

Foresters are calling it the most destructive tree pest to ever invade North America, and its march of devastation continues. Emerald ash borer has now spread to 35 states, killing hundreds of ...

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.