Boxed black walnuts under tree. ThoughtCo / Steve Nix. Here is a small property near Franklin in western North Carolina which has five healthy, mature black walnut trees. Their potential ...

Black Walnut Seed Prep. ... How to Identify a Veneer-Quality Black Walnut Tree. The tree must be at least 72″ in circumference (more than 22″) DBH (diameter at breast height).

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.

Retired doctor Richard Martin will share his innovative walnut growing techniques at the Walnut Council meeting this July in ...

The black walnut tree (Juglans nigra) is well-loved for its beauty and the walnuts it grows. However, the roots of this tree ...

Some companies claim to sell black walnut tree clones developed at Purdue University; however, Purdue University no longer holds patent rights to these trees and cannot endorse the claims made for the ...

Tree-of-heaven leaflets have what we call “glandular teeth” (See Figure 2) at the base of an otherwise nearly smooth or entire leaf margin. Tree-of-heaven will have a single terminal leaflet, while ...

Agronomists at the University of Missouri have created a new cultivar of black walnut that grows faster and produces a better nut than the native black walnut tree. Missouri provides three-fourths ...

Juglone is unsafe for many other plants, too, including hydrangeas, so be careful when planting anything near a black walnut tree. Related: 13 Plants You Should Never Grow Next to Hydrangeas.