Black Walnut

Juglans nigraHardwood

Black Walnut

Grain Pattern

Straight grain with visible open pores and a medium texture. This specimen shows a rift-sawn to flat-sawn appearance with distinct growth rings creating a linear striped effect on the face.

Color Description

Rich dark chocolate brown heartwood with some lighter tan streaks. It has a dull to medium luster and typically lightens in color over time when exposed to UV light, unlike many other woods.

Hardness Rating

1,010 lbf (Medium)

Durability Rating

Durable. Highly resistant to heartwood decay, though susceptible to insect attack (especially Lyctid powderpost beetles).

Common Uses

High-end furniture, cabinetry, gunstocks, interior paneling, flooring, veneer, and turned objects.

Geographic Origin

Eastern North America

Market Value & Sustainability

Estimated Market Value

$10.00 - $15.00 per board foot (varies by grade and region)

Wood Age Estimate

Freshly cut to 1 year; the edges are sharp and the surface shows minimal oxidation or patina, appearing as a kiln-dried turning blank.

Sustainability Status

Not listed in CITES Appendices or on the IUCN Red List; widely available and generally considered sustainable.

Workability

Excellent. Easy to work with both hand and machine tools. It glues, stains, and finishes very well, though the open pores may require filling for a glass-smooth finish.

Notable Features

Distinctive mild, nut-like scent when being worked. Known for excellent dimensional stability and shock resistance.

Finish Recommendations

Wiping oils (Linseed or Tung) or polyurethane to enhance the deep brown tones. It accepts a wide variety of finishes including lacquer and wax.

Identification Confidence

High. The coffee-colored heartwood, characteristic large pore structure, and growth ring patterns are classic indicators of Juglans nigra.

Identified on 3/30/2026