Black walnuts have twice the protein of English walnuts. Their nuts are difficult to crack but have a strong and unusual flavor. We sell a nutcracker that can assist you with their tough shell. The wood of the black walnut is highly valued for carving and carpentry. Zone 4-8. Technically they are self-fertile but they will set a larger crop if you plant 2 seedlings, 2 different grafted varieties or a seedling and a grafted tree. NO WALNUT TREES CAN BE SHIPPED TO MO, KS, IN, MI, IA, NE, MN
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