Challenges: While Black Walnut trees have economic and ecological value, they can also be challenging in certain situations. Their roots produce a natural herbicide called juglone, which can inhibit ...

English walnut trees emit juglone in much lower quantities than black walnuts, but English walnuts are often ... all grow as companions to English walnut and add to the production value of a homestead ...

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 ...

Black walnut is the most valuable individual tree in Indiana based solely on the dollar value of the wood produced. This is primarily due to the very high value of walnut veneer; but considerable ...

This black walnut tree was planted by Fredrick Law Olmsted, in the house where he lived for seven years from 1848 to 1855. The property includes many incredible trees that were planted in 1850. Many ...

Indiana conservation officers began investigating the two stolen trees, focusing on the 55-foot-tall black walnut tree, which was worth at least $2,500 to furniture makers who covet its fine, dark ...