(Juglans nigra) Shade trees with earning potential! Enjoy magnificent shade from this renewable asset,featuring valuable, highly prized walnut lumber. Perfect as a way to beautify open areas or as an investment. Cold-hardy and heat-tolerant. Bears in 4-7 years. Matures to be 40-60' tall. Ripens in early October. Seedling, Self-pollinating. Roots and leaves produce a compound called jugalone which is alleopathic to some plants. Suggested for non-gardening areas.