Black Walnut
Common Name: Black Walnut
Species Name: Juglans nigra
Family Name: Juglandaceae
Examples of Black Walnut Juglans nigra
| Plant Facts | |
|---|---|
| Origin | Eastern United States |
| Sun Preference | Full Sun |
| Susceptibility | None Serious |
ID Characteristics
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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
| Habitat/Ecology | |
|---|---|
| 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 |