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 (resistant to decay and rot)

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Grain Pattern

Straight to slightly irregular grain with a medium texture

Color & Appearance

Dark brown to nearly black heartwood with lighter, yellowish-grey sapwood visible on the edge, darkening slightly with age and exposure to light

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Very Durable (resistant to decay and rot)

Value & Age

Estimated Market ValueNot an official valuation

6.00 to 15.00 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 to be several decades old based on deep surface oxidation and wear

Common Uses

Fine furniture, cabinetry, architectural millwork, gunstocks, veneer, and turning

Geographic Origin

Eastern North America

Workability

Exceptional workability with both hand and machine tools, glues and finishes well, holds screws and nails securely

Finish Recommendations

Takes oils, varnishes, lacquers, and polyurethane exceptionally well with minimal preparation

Notable Features

Rich natural dark color, excellent dimensional stability, and moderate shock resistance

Learn more about Black Walnut in the Wood Encyclopedia
Identified August 14, 2026