What Will Grow Near My Black Walnut Trees?

A chemical called Juglone occurs naturally in all parts of the members of walnut family (Juglandaceae).  These trees include Butternut, English Walnut, Pecan, Shagbark Hickory,  Bitternut Hickory and Black Walnut. Of these trees, it is generally only the Black Walnut which produces juglone in large enough quantities to cause problems for gardeners.  Many plants are sensitive to this chemical and […]