Black Walnut
Juglans nigra · Hardwood
- Type
- Hardwood
- Origin
- Eastern North America
- Hardness
- 1,010 lbf (Medium)
- Durability
- Durable, with good resistance to heartwood decay and moderate resistance to insect attack
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Grain Pattern
Straight to slightly irregular grain with a medium texture
Color & Appearance
Rich dark brown heartwood with occasional purplish cast, contrasting with a lighter pale yellowish-gray sapwood; tends to lighten slightly to a warm golden-brown patina with prolonged light exposure
Hardness (Janka)
1,010 lbf (Medium)
Durability & Decay Resistance
Durable, with good resistance to heartwood decay and moderate resistance to insect attack
Value & Sustainability
- Estimated Market Value
- $8.00 to $15.00 per board foot depending on grade and width
- Wood Age Estimate
- Estimated 10 to 30 years based on surface oxidation and dry condition
- Sustainability Status
- Not listed on CITES appendices, IUCN Red List of Threatened Species lists as Least Concern, widely available domestically
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, stains, and finishes well, though irregular grain can occasionally tear out during planing
Finish Recommendations
Accepts oil finishes, varnishes, lacquers, and polyurethane exceptionally well; often finished with a penetrating oil to enhance natural depth and chatoyancy
Notable Features
Prized for its rich color, shock resistance, and dimensional stability while possessing a moderate weight and distinct mild scent when freshly cut
