Your Black Walnut Tree Is Out to Get You
Posted on 05/06/99
When you look into your garden or backyard, be careful not to ignore your black walnut (Juglans nigra) tree. Lurking inside its leaves, fruits and roots is a toxic chemical made to control competition. Black walnuts are valuable as shade and timber trees. They produce delectable nuts, too. But if your black walnut overhangs your garden, your tree may be out to get you.