News

Q: I'm trying to identify the tree in the photo. I've been told that the nuts are not edible. Can you help? -- Scott Bundy. A: The tree in the photo is black walnut, Juglans nigra, and it's a well ...
Landscaping under any tree can be challenging, thanks to the dense shade cast by the branches and the abundance of thick roots in the soil. But black walnut trees (Juglans nigra) seem to be in a ...
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.
Perennials: Astilbe, bee balm, bellflower, black-eyed Susan, bleeding heart, coneflower, daylily, goat’s beard, hellebore, phlox, lamb’s ears, Shasta daisy and yarrow. For more information ...
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 ...
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 ...
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 ...
Most people think of Black Walnut trees as an asset, even if they don’t take the trouble to gather the plentiful nut harvest under them. Walnut is a prized hardwood traditionally used for gun ...
Photo by Zoie Matthew. This weekend’s festival enables people to gather to honor the trees' resilience, and to directly help reestablish them in their native habitat. The event will include a planting ...
On May 6, 2022, Adam Baz, a resident who lives near El Sereno, a Northeast Los Angeles neighborhood, noticed a freshly cut pile of black walnut wood on the hillside next to his house.