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 heartwood decay and moderate resistance to insect attack.

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Grain Pattern

Straight to slightly irregular grain with a medium texture and occasional wavy figure.

Color & Appearance

Rich dark brown heartwood with contrasting lighter pale yellowish-grey sapwood, darkening slightly with age and UV exposure.

Hardness (Janka)

1,010 lbf (Medium)

Durability & Decay Resistance

Durable, with good resistance to heartwood decay and moderate resistance to insect attack.

Value & Age

Estimated Market ValueNot an official valuation

10 to 25 USD per board foot depending on grade and width.

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 minimal surface oxidation and clean milling marks.

Common Uses

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

Geographic Origin

Eastern North America.

Workability

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

Finish Recommendations

Takes oil, lacquer, and varnish exceptionally well with minimal preparation.

Notable Features

Prized for its rich chocolate-brown color, shock resistance, and subtle natural luster.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 25, 2026