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 ...

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.

CHEYENNE – Officials have confirmed the presence of Thousand Cankers Disease (TCD) – an invasive, destructive pest – in a black walnut tree within Cheyenne. A specimen collected on Aug. 4 of ...

The black walnut tree is one of the last trees in Southeast Missouri to grow leaves in spring and one of the first to drop its leaves in autumn. Even so, it makes a wonderful shade tree during the ...

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.