Black Walnut — Juglans nigra

Black Walnut

Juglans nigra · Hardwood

AI-generated identification · may be incorrect
Type
Hardwood
Origin
Eastern North America
Hardness
1010 lbf (Medium)
Durability
Very Durable against decay and moderately resistant to insect attacks.

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Grain Pattern

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

Color & Appearance

Rich dark brown heartwood with a contrasting pale yellowish-white sapwood, darkening slightly with age.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Very Durable against decay and moderately resistant to insect attacks.

Value & Age

Estimated Market ValueNot an official valuation

8 to 15 dollars 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 25 to 35 years based on ring count visible on the cross section.

Common Uses

Fine furniture, cabinetry, architectural millwork, and gunstocks.

Geographic Origin

Eastern North America

Workability

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

Finish Recommendations

Takes oil, lacquer, and varnish exceptionally well with minimal surface prep.

Notable Features

Prized for rich shock resistance, exceptional dimensional stability, and deep natural luster.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 19, 2026