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 ...

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 ...

However, black walnut trees can have some negative effects on the landscape since they produce a chemical called juglone, warns Andrew St. Clair, a certified arborist and tree risk assessor with ...