AWARD

JUGLANS nigra

Commonly known as Black walnut, Jupiter's nuts

A fast growing tree with furrowed bark and large round fruits in pairs
Further Reading....

JUGLANS nigra

 
Gift Wrapping available on this plant - UK Delivery Only
Small £14.50 each 
Large £35.00 each 
  • Deciduous
    leaves to 60cm (24in) long consisting of 11-23 ovate-oblong, glossy, dark-green leaflets.
  • Height
    To 30m (100ft)
  • Spread
    To 20m (66ft)
  • Tree
    Vigorous, spreading tree. Male flowers are in drooping catkins to 10cm (4in) long. Edible nuts within spherical fruit to 5cm (2in) long.
  • Hardy - very cold winter Hardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)
  • Full sun
    Prefers a sheltered sunny spot.
  • Additional Features
    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.
  • Hardiness
    Fully hardy
  • Leaf form
    Pinnate see photos above
  • Leaf margin
    Entire see photos above
  • Leaf shape
    Oblong see photos above
  • Ovate
  • Pruning group
    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.

    RHS group 1
  • Scented Plants
    Scented foliage - aromatic leaves.
  • Seasonal Interest
    Autumn
  • Summer
  • Soil Conditions
    Fertile moist well-drained soil
  • Tree Shape
    Rounded to broadly spreading
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
to 30m (100ft)
tree - guide for size not form Average Person
  to 20m (66ft)
 

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