Black Walnut Tree (Juglans nigra)
Scientific Name: Juglans nigra — A large deciduous hardwood tree prized for its dark, richly coloured timber and edible nuts.
Native Home: Eastern and central North America, particularly the United States and southern Canada.
Height: 20–40 m.
Lifespan: 150–250 years, sometimes longer.
Uses and Harvesting
Timber: Highly valued for luxury furniture, cabinets, flooring, veneers and decorative woodwork.
Harvesting: Mature trees are selectively harvested for their valuable dark hardwood; nuts are collected seasonally.
Age to Harvest: Approximately 60–100 years for quality timber.
Products: Furniture, veneers, flooring, gunstocks, edible walnuts, walnut oil and natural dyes.
History and Global Production
Traditional Use: Native American communities used the nuts as food and the bark and husks for traditional dyes.
Global Spread: Native to North America and cultivated in Europe and other temperate regions for timber and nut production.
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