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, featuring good resistance to rot and moderate resistance to insects.

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Grain Pattern

Straight to irregular grain with a medium texture and occasional cathedral arch patterns.

Color & Appearance

Rich dark brown to purplish-black heartwood with pale yellowish-grey sapwood, darkening gracefully with age.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Durable, featuring good resistance to rot and moderate resistance to insects.

Value & Age

Estimated Market ValueNot an official valuation

$8.00 to $15.00 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 20 to 50 years based on oxidation and surface patina.

Common Uses

Fine furniture, cabinetry, architectural millwork, gunstocks, and interior paneling.

Geographic Origin

Eastern North America

Workability

Excellent workability with both hand and machine tools, though figured sections can tear out during planing.

Finish Recommendations

Takes oil, lacquer, and polyurethane finishes exceptionally well with minimal preparation.

Notable Features

Prized for its rich color contrast, shock resistance, and excellent dimensional stability.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 23, 2026