Juglans nigra

black walnut


wildlife plant  


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Use this link to get more info about this plant from the USF Institute for Systematic Botany

Plant Specifics

Form: tree
Life Span: long-lived perennial
Size: Height: 100-120 ft
Fruit Color: fruit color      brown
Phenology: deciduous
Noted for: Interesting foliage


Recommended Uses: Specimen tree. Woodlot tree.
Considerations: Nuts can be abundant on the ground in fall. Husk 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: light requirement   light requirement  
Moisture Tolerance:
Salt Tolerance: Not salt tolerant
Soil or other substrate: Sand, clay, loam
Soil pH Range: 4.6 to 8.2


wildlife plant  
Seeds eaten by rodents. People may also eat the nuts, but they are difficult to extract from their shells.
Native Habitats: Dry mesic woods. Second bottoms. Prefers rich soils.

Distribution and Planting Zones

Natural Range in Florida

USDA Zones:

USDA zones are based on minimum winter temperatures

Suitable to grow in:


Valuable for lumber which is often used for cabinetry. Seeds edible.

Other Comments:

Will not produce flowers/seed unless it gets adequate winter cold, hence not recommended for use south of its native range.