Walnut trees are very special additions to the yard, offering spring yellow-green catkins and delicious walnuts in fall. While they can seem intimidating to grow, a little perseverance can make your ...

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 ...

The black walnut tree (Juglans nigra) is well-loved for its beauty and the walnuts it grows. However, the roots of this tree produce juglone, a chemical released in the soil surrounding the tree that ...

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 ...

Exposure: Prefers north-facing hills. Can tolerate full sun. Pruning needs: Remove dead wood as needed. Water needs: Adaptable to drought conditions. This is a tree of many common names: Northern ...

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 ...

Q:The black walnut tree in my yard gives off nice shade. It is planted close to the house and this last year it did not drop any walnuts. Usually, I pay the neighborhood kids to pick up the nuts, so ...

Spring gardening season is just around the corner. As you wait, you may have questions. For answers, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension ...

This year has produced a bumper crop of black walnuts in the region. Despite being a nuisance to some, black walnuts are harvested for use in baking, sold for profit, and used as deer bait. The ...

A canker on an eastern black walnut tree. The beetle that carries the fungus causing thousand cankers disease is visible in the canker's upper left corner. (Colorado State University photo/Ned ...