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 ...

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 ...