Black Walnut Burl

Walnut (Black, Burl)

Common Name(s)
Black Walnut, Walnut, American Walnut
Scientific Name
Juglans nigra
Tree Distribution
Eastern United States
Tree Size
100-120 ft. tall, 2-3 ft. trunk diameter
Janka Hardness
1010 lbf
Heartwood can range from a lighter pale brown to a dark chocolate brown with darker brown streaks. Color can sometimes have a grey, purple, or reddish cast. Sapwood is pale yellow-gray to nearly white.
Grain / Texture
Extreme interlocked grain, irregular patterns
Pricing / Availability
Burl is a growth where the grain has grown in a deformed manner. It occurs on a tree trunk or branch as a rounded outgrowth filled with small knots. Considerably more expensive than regular Black Walnut due to the rarity. Prices are in the extremely high range for a domestic species.

- Information cited from