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 ...

Naturally occurring compounds in ash leaves could be linked to susceptibility of individual trees to the fungal disease ash dieback (ADB). But selecting trees with lower levels of these compounds and ...

There's hope against an invasive Asian beetle that has been killing ash trees in North America since the turn of the century, according to a New England-based entomologist. Juli Gould, a native of ...