Tree Descriptions
Black Walnut (Juglans nigra)
| Height: | 60-70’ |
|---|---|
| Width: | 50-70’ |
| Growth Rate: | fast |
| Soil: | sand, loam |
| Moisture: | moist |
| Shade Tolerance: | sun |
| Bloom Time: | May |
| Flower Color: | yellow-green |
| Uses: | wildlife |
| Spacing: | 10’ x 10’ for timber, >12’ x 12’ for other uses |
| Habitat: | Prefers moist, well-drained sandy to loam soils and full sunlight. |
| Notes: | Produces juglone which inhibits the growth of some other plants, sensitive to site conditions, salt tolerant. |
Black walnut wood is very valuable for furniture and veneer. The tree produces large nuts enclosed in a thick shell surrounded by a thick green husk. Black walnut produces a substance that inhibits the growth of many other species, including some ornamentals and garden vegetables. Black walnut is a host plant for the caterpillar of the long-tailed luna moth.
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