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, with good resistance to rot and moderate insect resistance.

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Grain Pattern

Straight to irregular grain with distinct growth rings and occasional knot or swirl figures.

Color & Appearance

Rich dark brown heartwood with occasional purplish cast, contrasting pale yellow-gray sapwood, darkening gracefully with age.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Durable, with good resistance to rot and moderate insect resistance.

Value & Age

Estimated Market ValueNot an official valuation

8.00 to 15.00 USD 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 10 to 30 years based on surface oxidation and dry patina.

Common Uses

Fine furniture, cabinetry, gunstocks, architectural millwork, and decorative veneer.

Geographic Origin

Eastern North America.

Workability

Excellent workability with both hand and machine tools, gluing and finishing smoothly with minimal tearout.

Finish Recommendations

Takes oil, varnish, and lacquer exceptionally well without requiring special prep.

Notable Features

Rich chocolate-brown color variations, subtle natural luster, and stable dimensional properties.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 21, 2026