(Black Walnut) Native to parts of Eastern and Central USA, Juglans nigra is a handsome and reasonably vigorous tree with large, pinnate leaves up to 60 cm long which are aromatic when crushed.
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Native to parts of Eastern and Central USA, Juglans nigra is a reasonably vigorous tree with large, pinnate leaves up to 60 cm long which are aromatic when crushed. These leaves emerge in late spring and are dark green in colour. Established plants do produce nuts which although are edible are not quite the same as those commonly seen for sale in supermarkets, etc (which come from Juglans regia).
A superb ornamental specimen tree, most suited for a sunny position ideally with a little shelter from strong winds.
- Position: Full sun or light, dappled shade.
- Soil: Well drained, fertile soil.
- Hardiness: Reasonably hardy. Juglans nigra appreciates shelter from cold winter winds.
- Rate of Growth: Moderate to vigorous.
- Habit: Eventually a medium sized tree with a branching, open habit.
- Height: 15 - 20 m (50 - 65 ft).
- Spread: 10 - 12 m (32 - 40ft).
The magnificent Black Walnut was introduced from Eastern and Central North America in the seventeenth century.
Walnuts should be planted as young as possible as they dislike root disturbance; old specimens are valued for their superb timber.
Extract from an information poster in our arboretum
- How Much Sun
- Full Sun, Light Shade
- Eventual Size
- Tree - Medium (8m - 15m), Tree - Large (15m+)
- Growing Conditions
- Soil: Acid, Soil: Alkaline, Soil: Damp/Wet, Soil: Not Fussy
- Special Features
- Foliage - Unusual Shape, Honey Fungus Resistant, Habit - Architectural, Scented