“This chemical can inhibit the growth of many tree and shrub species planted in proximity to the walnut trees, so homeowners want to make sure they know if and where they have black walnut trees ...

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 ...

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 ...