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.

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 ...

A black walnut problem causing tree mortality, thousand canker disease (TCD), has foresters and tree pathologists monitoring its spread. This is a disease complex, combining feeding by the walnut ...

For over 250 years, a black walnut tree lived in what is now a nature preserve in northeast Ohio, growing alongside wildflowers and ferns and the snaking east branch of the Rocky River.

A black walnut tree planted by Frederick Law Olmsted, Sr. in the late 1840s or 50s stands tall in the yard at the Olmsted-Biele House in Eltingville, Staten Island.

A: The tree in the photo is black walnut, Juglans nigra, and it's a well-adapted tree for the Upper Midwest. The walnuts, located inside the green husk, are completely edible when ripe.

October 1, 2019 / 12:23 PM EDT / CBS Baltimore ANNAPOLIS, Md. (WJZ) -- If you have a black walnut tree, Maryland's Department of Natural Resources wants you to donate your extra walnuts.

The black walnut is already the official state nut. Its tree is not grown in orchards, but rather in fields and wild forests across the state. Walnuts and lumber from the tree have many uses, from ...

A black walnut tree is easy to grow from a nut. But to grow and produce nuts takes eight to 10 years. Squirrels help bury more walnuts on the property. Most are buried in the shade, which is a ...

The 5.5-foot-wide tree was 207 inches in circumference; for comparison, the circumference of the largest two known Black Walnut trees in Ohio are 227 inches and 211 inches.