Black Walnut

Juglans nigraHardwood

Black Walnut

Grain Pattern

Flat-sawn cathedral grain with slight waves and a medium, open-pore texture.

Color Description

Rich dark chocolate brown heartwood with warm undertones; finish shows deep saturation. Walnut typically lightens over time with UV exposure.

Hardness Rating

1,010 lbf (Medium)

Durability Rating

Durable; highly resistant to heartwood decay, though susceptible to insect attack.

Common Uses

Fine furniture, cabinetry, interior trim, flooring, and veneer.

Geographic Origin

Eastern North America

Market Value & Sustainability

Estimated Market Value

$12.00 - $18.00 per board foot ( FAS grade)

Wood Age Estimate

The patina and finish type suggest the piece is approximately 20-40 years old.

Sustainability Status

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

Workability

Excellent workability with both hand and machine tools; glues, stains, and finishes exceptionally well.

Notable Features

Distinctive mild, spicy scent when worked; contains juglone which can be an irritant to some.

Finish Recommendations

Oil-based finishes or clear lacquer to enhance the natural depth and chatoyancy of the grain.

Identification Confidence

High. The characteristic chocolate-brown color combined with the specific flat-sawn cathedral patterns is indicative of North American Black Walnut.

Identified on 6/8/2026