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 decay and moderate insect deterrence.

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Grain Pattern

Irregular and swirled grain featuring prominent crotch figure and scattered pin knots.

Color & Appearance

Rich dark brown heartwood with contrasting lighter grayish-brown sapwood, exhibiting warm luster and mellowing over time.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Durable, with good resistance to decay and moderate insect deterrence.

Value & Age

Estimated Market ValueNot an official valuation

$8.00 to $15.00 per board foot for standard lumber, higher for figured crotch wood.

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 5 to 20 years based on recent turning condition and light oxidation.

Common Uses

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

Geographic Origin

Eastern North America

Workability

Exceptional workability with both hand and machine tools, cutting cleanly and gluing reliably.

Finish Recommendations

Takes oil, lacquer, and polyurethane finishes exceptionally well to highlight rich depth and natural color.

Notable Features

Features striking chatoyance and complex swirling grain patterns inherent to branch junctions and crotches.

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