Black Walnut — Juglans nigra

Black Walnut

Juglans nigra · Hardwood

AI-generated identification · may be incorrect
Type
Hardwood
Origin
Eastern North America
Hardness
1,010 lbf (Medium)
Durability
Durable

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Grain Pattern

Straight grain with irregular growth rings visible on the cross-section end grain.

Color & Appearance

Dark brown to purplish-brown heartwood with a distinct pale yellowish-grey sapwood.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Durable

Value & Age

Estimated Market ValueNot an official valuation

8 to 15 dollars per board foot

AI estimate for general guidance only — not a professional appraisal. Actual value depends on grade, dimensions, condition, and local market demand.

Wood Age Estimate
Estimated at 15 to 25 years based on visible annual growth rings on the cross-section.

Common Uses

Fine furniture, cabinetry, carving, and gunstocks.

Geographic Origin

Eastern North America

Workability

Excellent workability with both hand and machine tools, gluing and finishing very well.

Finish Recommendations

Reactions well to oils, varnishes, and lacquers without requiring special preparation.

Notable Features

Distinct color contrast between sapwood and heartwood with rich shock-resistant properties.

Learn more about Black Walnut in the Wood Encyclopedia
Identified November 4, 2026