Black walnut is a large tree with dark furrowed bark and long, feather‑like compound leaves. It produces round green husks that dry to reveal hard, dark walnuts inside.
Habitat and range
In Maryland, black walnuts are often found in rich bottomlands, fencerows, and old fields. They prefer deep, fertile, well‑drained soils and full sun, and are commonly planted for nuts and timber.
Uses and significance
The wood is prized for high‑quality furniture and gunstocks. Nuts are eaten by people and wildlife alike. The tree produces juglone, a chemical that can inhibit the growth of some nearby plants.