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JUGLANS nigra
Commonly known as Black walnut, Jupiter's nuts
A fast growing tree with furrowed bark and large round fruits in pairs
Small
£14.50 each
Full Plant Details - Sun/Soil & other attributes - Click to close
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to know
Roots produce juglone which can inhibit growth of plants within the crown area. -
Pests & Diseases
Aphids, walnut blister mites,honey fungus, leaf and coral spot. -
Place of origin
Eastern USA. -
Deciduousleaves to 60cm (24in) long consisting of 11-23 ovate-oblong, glossy, dark-green leaflets.
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Fully hardy
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Pinnate
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Entire
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Oblong
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Ovate
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Height
To 30m (100ft) -
Spread
To 20m (66ft)
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TreeVigorous, spreading tree. Male flowers are in drooping catkins to 10cm (4in) long. Edible nuts within spherical fruit to 5cm (2in) long.
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Pruning group 1
Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
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Hardy - very cold winter
Hardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F) -
Scented foliageAromatic leaves.
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Autumn Seasonal Interest
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Summer Seasonal Interest
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Fertile moist well-drained soil
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Full sun
Prefers a sheltered sunny spot. -
Rounded to broadly spreading
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Mature Sizeto 30m (100ft)
to 20m (66ft)
View Planting Tips and Care Advice
Juglans - Growing Guide
Trees - Care Guide
- How to plant a tree - Video Tip ondemand_video
- How to plant a tree
- Ties - Video Tip ondemand_video
- Restaking fallen young trees - Video Tip ondemand_video
- Fallen old tree - Video Tip ondemand_video
- Clearing up fallen beech tree - Video Tip ondemand_video
- Spring pruning - Video Tip ondemand_video
- Removing side shoots - Video Tip ondemand_video
- Pruning and Shaping Magnolia - Video Tip ondemand_video
- Deer protection - Video Tip ondemand_video
- Weed Spraying - Video Tip ondemand_video
- Removing Ivy - Video Tip ondemand_video
- Removing wire protection - Video Tip ondemand_video
- Tidying young trees in October - Video Tip ondemand_video
- Tree Survey - Video Tip ondemand_video
- Crown uplift - Video Tip ondemand_video
- Removing shoots below graft - Video Tip ondemand_video
- Removing peeling bark - Video Tip ondemand_video
- Maintaining variegation - Video Tip ondemand_video
View Planting Combinations