Black Walnut — Juglans nigra

Black Walnut

Juglans nigra · Hardwood

AI-generated identification · may be incorrect
Type
Hardwood
Origin
Eastern North America.
Hardness
1010 lbf, classified as Medium.
Durability
Very Durable, with exceptional resistance to rot and decay.

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Grain Pattern

Straight grain with occasional wavy or irregular patterns and a medium texture.

Color & Appearance

Rich dark brown to purplish-black heartwood with pale yellowish-grey sapwood.

Hardness (Janka)

1010 lbf, classified as Medium.

Durability & Decay Resistance

Very Durable, with exceptional resistance to rot and decay.

Value & Age

Estimated Market ValueNot an official valuation

6 to 12 dollars per board foot for standard lumber.

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 young sapling or branch, roughly 5 to 15 years old based on diameter and bark formation.

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 preparation.

Notable Features

Renowned for rich color, shock resistance, and moderate weight.

Learn more about Black Walnut in the Wood Encyclopedia
Identified October 24, 2026