Black Walnut — Juglans nigra
High; identified by the classic rich brown heartwood contrasting sharply with pale sapwood, characteristic cathedral grain patterns, and typical diffuse-porous medium texture. confidence

Black Walnut

Juglans nigra · Hardwood

Type
Hardwood
Origin
Eastern North America
Hardness
1010 lbf (Medium)
Durability
Moderately Durable to Durable; good resistance to heartwood decay, though susceptible to insect attack.

Got a wood sample like this?

Identify any wood from a photo, free.

Identify wood

Grain Pattern

Generally straight to slightly irregular or wavy grain with a medium texture, displaying a prominent flat-sawn cathedral pattern and natural transitions.

Color & Appearance

Rich dark brown to purplish-black heartwood with distinct lighter yellowish-grey to pale sapwood, exhibiting a moderate natural luster that tends to lighten slightly to a warm golden-brown patina over time with UV exposure.

Hardness (Janka)

1010 lbf (Medium)

Durability & Decay Resistance

Moderately Durable to Durable; good resistance to heartwood decay, though susceptible to insect attack.

Value & Sustainability

Estimated Market Value
$6.00 to $15.00+ per board foot depending on width, length, and figure grade.
Wood Age Estimate
Estimated to be freshly milled to a few months old, based on the bright contrast between sapwood and heartwood and minimal surface oxidation.
Sustainability Status
Not listed on CITES appendices or the IUCN Red List of Threatened Species; widely available and sustainably harvested from domestic forests.

Common Uses

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

Geographic Origin

Eastern North America

Workability

Exceptional workability; easy to hand and machine tool, glues, stains, and finishes well, though occasional grain reversal can cause minor tearout during planing.

Finish Recommendations

Takes oil finishes, Danish oil, varnish, lacquer, and shellac extremely well, enhancing the natural chatoyance and rich color of the wood without requiring special sealers.

Notable Features

Possesses a subtle, pleasant natural scent when freshly cut, medium weight, excellent dimensional stability, and high shock resistance.

Learn more about Black Walnut in the Wood Encyclopedia
Identified August 29, 2026