Black Walnut
Juglans nigra · Hardwood
- Type
- Hardwood
- Origin
- Eastern North America
- Hardness
- 1,010 lbf (Medium)
- Durability
- Durable. Good resistance to rot and decay, though susceptible to insect attacks in sapwood.
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Grain Pattern
Generally straight to slightly irregular or wavy grain with a medium texture and moderate natural luster.
Color & Appearance
Rich dark brown to purplish-brown heartwood with lighter pale yellowish-grey to white sapwood. Darkens slightly with age and exposure to UV light.
Hardness (Janka)
1,010 lbf (Medium)
Durability & Decay Resistance
Durable. Good resistance to rot and decay, though susceptible to insect attacks in sapwood.
Value & Sustainability
- Estimated Market Value
- $6.00 to $12.00 per board foot depending on grade and width.
- Wood Age Estimate
- Estimated between 5 to 20 years based on modern finishing and oxidation level.
- Sustainability Status
- Not listed on CITES appendices, IUCN Least Concern. Readily available from sustainable domestic forests.
Common Uses
Fine furniture, cabinetry, architectural millwork, gunstocks, veneer, turning, and musical instruments.
Geographic Origin
Eastern North America
Workability
Excellent workability with both hand and machine tools. Glues, stains, and finishes very well, though prone to occasional tearout on figured sections during planing.
Finish Recommendations
Takes oil finishes, shellac, varnish, and lacquer exceptionally well. Often finished with Danish oil or wipe-on polyurethane to highlight grain depth.
Notable Features
Prized for its rich chocolate-brown color, moderate weight, dimensional stability, and shock resistance.
