Black Walnut
Juglans nigra · Hardwood
- Type
- Hardwood
- Origin
- Eastern United States and parts of Southeast Canada.
- Hardness
- 1,010 lbf (Medium)
- Durability
- Durable; very resistant to heartwood decay, though sapwood is susceptible to insect attack.
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Grain Pattern
Flat-sawn cathedral patterns with semi-open pores; occasional wavy figure and subtle chatoyance in the grain arches.
Color & Appearance
Heartwood ranges from medium to dark chocolate brown. Sapwood is typically pale yellowish-grey. This sample shows the characteristic rich brown that tends to lighten and yellow slightly with UV exposure.
Hardness (Janka)
1,010 lbf (Medium)
Durability & Decay Resistance
Durable; very resistant to heartwood decay, though sapwood is susceptible to insect attack.
Value & Sustainability
- Estimated Market Value
- $10.00 to $18.00 per board foot depending on thickness and width grade.
- Wood Age Estimate
- Relatively modern stock (under 10 years) based on the lack of deep oxidation/patina and the uniform surface texture.
- Sustainability Status
- Not listed on CITES Appendices or the IUCN Red List; widely available and generally considered sustainable within its native range.
Common Uses
High-end furniture, cabinetry, gunstocks, interior trim, flooring, veneer, and musical instruments.
Geographic Origin
Eastern United States and parts of Southeast Canada.
Workability
Excellent workability with both hand and machine tools. Glues, stains, and finishes very well. Minimal tearout even on cathedral grain.
Finish Recommendations
Oil-based finishes (tung or linseed) to enhance depth; clear lacquer or polyurethane for protection. Does not require staining.
Notable Features
Distinctive mild, earthy scent when worked. High tannin content can cause dark staining if in contact with iron and water.
