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 ...

If you've moved into a new home and are still getting to know the backyard trees (or a forgetful squirrel gifted you with a new sapling), there's a chance one of them is a black walnut (Juglans nigra) ...

In the search for eco-friendly alternatives to synthetic herbicides, researchers from Kyushu University, Japan, have identified a potent, weed-inhibiting compound in the leaves of the Manchurian ...

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On this winter edition of ID That Tree, Purdue Extension forester Lenny Farlee uses black walnut and eastern cottonwood twigs to show you tips on how to identify native Indiana trees with alternative ...

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 ...

Some Iowa homeowners may notice the leaves on certain trees are turning yellow or brown and dropping earlier than usual this season. According to the Iowa DNR, they could have a fungus called ...

English walnut trees throughout Utah Valley have poor leaf-out and bare branches. Not all the branches that look dead are dead. Give the trees good care, remove branches that are truly dead, and give ...