Answer: Two types of walnuts, Juglans cinerea (Butternut) and Juglans nigra (Black Walnut), will both bear fruit in the north central U.S. Butternut trees can grow to about 60 feet. Black Walnut is native to the eastern U.S., can grow to about 100 feet tall. You'll find different varieties offered by Stark Brother's Nursery (PO Box 10, Louisiana, MO 63353-0010; ph# 800/325-4180). Enjoy!
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