Black Walnut
Juglans nigra • Hardwood
Grain Pattern
Straight grain with visible cathedral patterns and irregular growth ring spacing; semi-porous texture.
Color Description
Heartwood ranges from light to dark chocolate brown with darker streaks; sapwood is pale yellow-gray. The sample shows typical oxidation/darkening with age and minor sun bleaching in worn areas.
Hardness Rating
1,010 lbf (Medium)
Durability Rating
Durable; high resistance to decay and rot, though susceptible to insect attack (Powderpost beetles).
Common Uses
High-end furniture, cabinetry, veneer, interior trim, gunstocks, and turned objects.
Geographic Origin
Eastern United States and Canada.
Market Value & Sustainability
Estimated Market Value
$10.00 to $18.00 per board foot depending on width and figure.
Wood Age Estimate
30 to 50 years based on heavy oxidation, surface scuffing, and deep patina accumulation.
Sustainability Status
Not listed in CITES Appendices or on the IUCN Red List; widely available and generally considered sustainable in North America.
Workability
Generally easy to work with hand and machine tools; glues, stains, and finishes well. Occasionally prone to tearout in areas of irregular grain.
Notable Features
Distinctive mild, nut-like scent when worked; contains juglone which can act as a mild irritant; excellent dimensional stability.
Finish Recommendations
Penetrating oils or wiping varnishes are highly recommended to enhance the deep brown tones and chatoyance without obscuring the grain.
Identification Confidence
Medium-High. The dark chocolate hues combined with the specific pore structure and wear patterns are classic indicators of Juglans nigra, though surface dirt is present.