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 decay.

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Grain Pattern

Straight grain featuring a highly pronounced quilted or pommel figure.

Color & Appearance

Rich dark brown heartwood with contrasting lighter sapwood and moderate natural luster.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Durable, with good resistance to rot and decay.

Value & Age

Estimated Market ValueNot an official valuation

10 to 25 dollars per board foot for figured grades.

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 5 to 15 years based on surface oxidation and dry finish state.

Common Uses

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

Geographic Origin

Eastern North America

Workability

Exceptional workability with hand and machine tools, though figured areas may require careful planing to prevent tearout.

Finish Recommendations

Takes oil, lacquer, and polyurethane exceptionally well to enhance chatoyancy.

Notable Features

Exhibits stunning chatoyancy and dimensional stability due to wavy cellular growth.

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