CLEVELAND, Ohio -- Black walnut trees, which are both native to and common in Northeast Ohio, have a divisive reputation. If you are looking to plant a new tree in a sunny spot with wet soil, black ...

Despite its celestial name, tree of heaven (Ailanthus altissima) is known for its infernal behavior. Tree of heaven threatens other plants by forming crowded thickets that suffocate nearly any ...

After finding a tree infected with Thousand Cankers disease in Plumstead Township, officials have quarantined wood from walnut trees in Bucks County. The nasty-sounding disease occurs when walnut twig ...

Purdue Extension forester Lenny Farlee shares identifying characteristics of the black walnut tree, also known as the American black walnut or eastern black walnut, including pairs of leaflets running ...

Q: I'm trying to identify the tree in the photo. I've been told that the nuts are not edible. Can you help? - Scott Bundy. A: The tree in the photo is black walnut, Juglans nigra, and it's a ...

An insect-fungus is damaging thousands of black walnut trees not only in California and other western states, but has now spread to Pennsylvania, Tennessee and Virginia, according to a just-published ...