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....
  • 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.

JUGLANS nigra

 
Gift Wrapping available on this plant - UK Delivery Only
Small £14.50 each 
Collect only available from our nursery nr Redruth in Cornwall Ready in 3 - 5 days
Delivery Information Normally 3 - 5 days
plant size comparison icon 2 to 3 Litre
Estimated availability autumn 2022 - Not yet confirmed. Could be any time between September and December.
Large £37.50 each 
Delivery Information Estimated availability autumn 2022
plant size comparison icon 5 to 7.5 Litre
  • 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
    		(see photos above)
  • 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
Juglans - Growing Guide
Trees - Care Guide
to 30m (100ft)
 tree - guide for size not form Average Person
  to 20m (66ft)
  

Useful extras...

Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00

Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00

Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants. Perfect used in conjunction with Rootgrow™.
Only £7.50

Vermin & Pest Control
Tree Guards
Essential small tree protection from vermin and strimming. This pack includes 5 x 90cm canes and 5 x 90cm spiral guards. Includes instructions.
Only £5.00

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