Black Walnut

Black Walnut

American Beauties Native Plants®
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  • Juglans nigra
  • North American Native
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Pairs well with

This majestic native shade tree produces valuable hardwood and edible nuts that have a rich, distinctive flavor. It supports a vast ecosystem of native insects and wildlife, making it a cornerstone species for large properties and naturalized areas.

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Size at Maturity

Height 50'- 75' Spread 50'- 75'

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Growing Zone

USDA Hardiness Zones 4-8

Lowest Temperatures -30°F to -20°F

Light Requirements

Full sun - more than 6 hours of direct sun per day

Host Plant For

Luna Moth, Regal Moth (Hickory Horned Devil), Walnut Sphinx

Wildlife Benefits

  • Attracts Songbirds
  • Attracts Butterflies

Native Range

AL, AR, CT, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, MI, MN, MO, MS, NC, NE, NJ, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, VT, WI, WV

Special Conditions

  • Deer Resistant
  • Drought Tolerant

Seasons of Interest

  • Spring
  • Fall

How to Plant

Give your new plant the best start possible. Click here for general planting instructions.

Grow With Confidence

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Planting and Care Guide

Planting Tips

Plant in moist, well-drained, deep, fertile soil. Space 40–60 feet apart- this is a large, long-lived native tree. Water thoroughly after planting and mulch 3–4 inches deep, keeping mulch well away from the trunk.

Care Tips

Water deeply and regularly the first 2–3 seasons. Once established it is quite drought tolerant. Little pruning is needed- remove dead or crossing branches in late fall. Be aware that black walnut produces juglone, a chemical toxic to many plants- avoid planting sensitive species such as tomatoes, apples, and many ornamentals within the root zone. The edible nuts are highly nutritious and wildlife value is exceptional. Largely pest-free, though walnut caterpillars can defoliate in summer without lasting harm.

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