Walnut trees have a reputation for being unfriendly to many plants placed beneath or even near them. Black walnut trees ( Juglans nigra ) are especially unfriendly to a wide variety of plants. English ...

Q: I just put in an all-native garden this spring, and it is getting a lot of leaves falling from trees near it. Unfortunately, most of the trees are black walnuts. Due to the juglone these trees give ...