Juglans nigraBlack Walnut

The Juglans nigra, or Black Walnut, is a majestic deciduous tree renowned for its valuable timber, edible nuts, and striking presence in large landscapes. Growing up to 30 meters, it features a straight trunk, a broad, rounded crown, and pinnate, dark green leaves that turn yellow in autumn. Its round, green husks encase rich, flavorful nuts that ripen in late summer to early autumn.

Native to North America, the Black Walnut thrives in fertile soils and open spaces, making it an excellent choice for shade, timber production, or as a legacy tree.

Specifications:

• Height: 20–30 meters
• Width: 15–20 meters
• Native to: North America
• Foliage: Pinnate, dark green leaves; deciduous
• Growth rate: Moderate to fast

Conditions:

• Soil: Prefers deep, well-drained, fertile soil; tolerates loamy and sandy soils
• Light: Full sun
• Water: Moderate; drought-tolerant once established
• Climate: Thrives in temperate regions

Additional Features:

• Nuts: Round, green husks encasing flavorful, edible nuts, ripening in late summer to autumn
• Timber Value: High-quality, dark hardwood used in fine furniture and cabinetry
• Uses: Ideal for shade trees, timber production, or as a statement tree in large spaces
• Spacing: Plant 15–20 meters apart for individual growth or timber groves
• Low Maintenance: Requires little pruning; clean up fallen nuts for ease of maintenance
• Pest Resistance: Generally pest-resistant; monitor for common nut tree pests
• Environmental Benefits: Provides habitat for wildlife and stabilizes soil
• Caution: Produces juglone, a natural compound that may inhibit the growth of some plants beneath its canopy

The Black Walnut is a grand and productive tree, offering shade, nuts, and timber while standing as a symbol of longevity and natural beauty in large landscapes.