Yet the tree has a dark side that haunts many, including reader Shane in Lakewood, who writes, “My question to you is regarding adding black walnut tree leaves and fruits to my compost pile.

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 ...

This week, we meet Black walnut or Juglans nigra. Also known as American black walnut or eastern black walnut, this species has compound leaves with several pairs of leaflets along the individual leaf ...

A walnut tree can be a beautiful addition to your yard, but growing one comes with unique challenges. Learn what to expect before you plant one.

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 ...

Not all leaves are ideal for composting. According to the N.C. State Extension publication What Can Be Composted, “Black walnut tree leaves or twigs contain juglone, a natural aromatic compound ...