Juglans nigra
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Black Walnut
Juglandaceae
Plant Specifics
| Form: | Tree | |
| Size: | 100-120 ft | |
| Life Span: | Long-lived perennial | |
| Flower Color: | NA | |
| Fruit Color: | Brown | |
| Phenology: | Deciduous. Blooms (inconspicuous) in spring. Nuts ripe in fall. Yellow fall color. | |
| Noted for: | Interesting foliage |
Landscaping
| Recommended Uses: | Specimen tree. Woodlot tree. | ||||||||||||||||||||||||||||||||||||||||||
| Considerations: | Nuts can be abundant on the ground in fall. Husks can stain. Tree roots, nuts, and leaves exude an effective herbicide (juglone) to reduce competition. Use with care in the landscape, it can poison birches and many herbaceous plants. | ||||||||||||||||||||||||||||||||||||||||||
| Propagation: | Easily grown from seed. | ||||||||||||||||||||||||||||||||||||||||||
| Availability: | Native nurseries, Seed | ||||||||||||||||||||||||||||||||||||||||||
| Light: | Full Sun, Part Shade | ||||||||||||||||||||||||||||||||||||||||||
| Moisture Tolerance: |
always floodedextremely dry |
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| (Somewhat moist, no flooding ----- to ----- Somewhat long very dry periods) | |||||||||||||||||||||||||||||||||||||||||||
| Moisture Tolerance: | Somewhat moist, no flooding ----- to ----- Somewhat long very dry periods | ||||||||||||||||||||||||||||||||||||||||||
| Salt Water Flooding Tolerance: | Not salt tolerant of inundation by salty or brackish water. | ||||||||||||||||||||||||||||||||||||||||||
| Salt Spray/ Salty Soil Tolerance: | Moderate. Tolerant of salty wind and may get some salt spray. Exposure to salt spray would be uncommon (major storms). | ||||||||||||||||||||||||||||||||||||||||||
| Soil or other substrate: | Clay, Loam, Sand | ||||||||||||||||||||||||||||||||||||||||||
| Soil pH: | Acidic to circum-neutral | ||||||||||||||||||||||||||||||||||||||||||
Ecology
| Wildlife: |
Seeds eaten by squirrels and other odents. May be a significant food the fox squirrels (https://www.fs.fed.us/database/feis/plants/tree/jugnig/all.html) | |
| Insects: | ||
| Native Habitats: | Dry mesic woods. Second bottoms. Prefers rich soils. |
Distribution and Planting Zones
Natural Range in Florida
USDA Zones
Suitable to grow in:
8A 8B
USDA zones are based on minimum winter temperatures
Comments
| Ethnobotany: | Valuable for lumber which is often used for cabinetry. People eat the nuts, but they are difficult to extract from their shells. | |
| General Comments: |
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