Black walnut trees bring several benefits. From the grandeur of the trees’ spread to the rich color of the bark, black walnut trees are awe-inspiring to look at in the yard. These trees also ...

Black walnut trees produce a chemical called juglone as ... roots and is also found in smaller concentrations in the leaves, bark, wood, and nut hulls. While other types of trees also produce ...

The bark has long, strong running ridges and in older trees can resemble alligator hide. Under the surface of the bark is a dark, chocolate brown color. Black walnut trees produce nuts, which are ...