Black Walnut — Juglans nigra
High, based on the characteristic deep brown color, grain structure, and typical regional wood appearance. confidence

Black Walnut

Juglans nigra · Hardwood

Type
Hardwood
Origin
Eastern North America
Hardness
1010 lbf (Medium)
Durability
Durable, with good resistance to decay and moderate resistance to insect attack.

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Grain Pattern

Straight to slightly irregular grain with a medium texture, showing coarse chisel or adze marks on the face.

Color & Appearance

Rich dark brown heartwood with lighter pale yellowish-brown sapwood, displaying natural oxidation and a warm patina.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

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

Value & Sustainability

Estimated Market Value
8 to 15 dollars per board foot depending on grade and width.
Wood Age Estimate
Estimated several decades old, evidenced by surface weathering, oxidized coloring, and aged tool marks.
Sustainability Status
Not listed on CITES appendices, IUCN Least Concern, widely available and sustainably managed in North America.

Common Uses

Fine furniture, cabinetry, architectural millwork, gunstocks, and turned objects.

Geographic Origin

Eastern North America

Workability

Exceptional workability with both hand and machine tools, glues, stains, and finishes very well.

Finish Recommendations

Takes oils, varnishes, lacquers, and polyurethanes exceptionally well to highlight its natural luster.

Notable Features

Prized for its rich chocolate-brown color, shock resistance, dimensional stability, and lack of strong odor.

Learn more about Black Walnut in the Wood Encyclopedia
Identified August 18, 2026