Black Walnut - Juglans nigra | Wirebasket Deciduous Tree // ABTreesKnown to produce a chemical toxin called Juglone that can impact nearby plants fortunately, many native plants are resistant to this toxin Produces edible walnuts although they can be difficult to access due to a thick casing Host to the Luna Moth and others Attracts many birds and butterflies Requires rich, well drained soil