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Common Name: Black Walnut

Species Name: Juglans nigra

Family Name: Juglandaceae





Plant Facts  
Origin Eastern United States
Sun Preference Full Sun
Susceptibility None Serious



ID Characteristics

  • Leaf and Stem Characteristics
    • Plant Height: 75-foot diameter, 135-foot height
    • Leaves: Alternate, pinnately compound, 12-24 inches long, 15-23 leaflets 2-5 inches long, irregularly serrate, rounded at base



Soil Preference Well-drained, deep and rich
USDA Cold Hardiness Zone 4
Notes Few serious problems; husks stain; produce juglone, a toxic chemical defense that can kill other plants


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