Black Walnut (Juglans nigra)
Black Walnut (Juglans nigra)
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Juglans nigra
The black walnut is a large deciduous tree native to North America. Recognized for its tall, straight trunk and dense, dark green leaves, it provides significant shade. In late spring, it produces small, yellow-green flowers, followed by round, green fruits that contain edible nuts. The tree is valued for its strong, dark wood, prized in furniture making and woodworking. Black walnut thrives in well-drained soils and is commonly found in forests, offering both ecological benefits and economic value.
Origin: Michigan Native
Current Sale Size: 3-4 ft. bare-root
Growth Rate: Medium (13-24”/yr.)
Soils: Organically rich, well-drained soils
Moisture: Mesic to Wet
Shade Tolerance: Sun
Mature Height: 75-100 ft.
Mature Spread: 75-100 ft.
Deer Damage Potential: Low
Uses: Fall colors, edible fruit, birds, wildlife
Special Notes: Black walnut produces juglone.
Although regarded as a growth inhibiter to certain vegetable plants, juglone does not tend to be an issue for locally-appropriate native species.
Historical Observation: Cecil Billington , s.n.. Collected 07-08-1916 USA, Michigan, Oakland County: Bloomfield Twp. MICH1349219
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