Green Walnut Tree
A stately ornamental and one of the most valuable timber trees, Black Walnut grows very well in the Northwest as well as in other regions of the U.S. Capable of growing to 60 ft. or more in height, Black Walnut’s broad spreading form is awe inspiring. For timber production, trees should be planted close together to encourage upright growth and straight trunks. Plant young trees 10 ft. apart and later thin them twice, to eventually leave trees at a 40 ft. spacing. Black Walnut nuts are rich and flavorful, great for fresh eating and in baked goods. These 1 year seedlings are 18-24″ in height and well-rooted.
Latin Name: Juglans nigra
Site and Soil: Walnuts like 1/2 day to full sun and well-drained soil.
Pollination Requirements: Plant two trees for nut production.
Hardiness: This Walnut is hardy to minus 30º F.
Bearing Age: 4-5 years after planting.
Size at Maturity: 40-60 ft.
Bloom Time: June
Ripening Time: October
Yield: 100+ lbs.
Pests & Diseases: This Walnut is not bothered by pests. 1000 Canker disease has become a problem for Walnuts in some regions.
USDA Zone: 4
Sunset Western Zone: 1-9, 14-21
Sunset Northeast Zone: 31, 32-43