Flowering TreesBlack Walnut
Juglans nigra
Black Walnut (Juglans nigra) is a flowering tree, hardy in USDA zones 4-9, that matures to about 50-75 ft × 50-75 ft. It does best in full sun with medium water needs. It attracts squirrels, small mammals and songbirds.
- USDA zones
- 4-9
- Sun
- Full sun
- Water
- Medium
- Mature size
- 50-75 ft × 50-75 ft
- Attracts
- Squirrels, Small mammals, Songbirds
- Watch out for
- Juglone allelopathy
- Native to
- Eastern North America
In the landscape
Shade treeSpecimen
Data sources
Freeze survival
Will it survive your winters?
Hardiness zones show a normal bad winter. We check the worst one — Black Walnut is hardy to about -30°F (estimated from USDA zone 4), so we'll score it against the real coldest nights your area has actually had.
Powered by ~35 years of daily lows from the nearest NOAA weather station. A risk read, not a guarantee — a sheltered spot or mature plant beats the odds.
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