Juglans regia – Common walnut

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Juglandaceae

Juglans regia – Common walnut

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Has been cultivated for many centuries and grows to become a large tree approx. 30 m tall. The almost round crown consists of heavy branches. The old trunk is light grey with deep, irregular vertical grooves. The imparipinnate leaves grow to a length of 20 - 30 cm and have 2 - 4 (6) opposing pairs of leaflets. The leaf segments are ovoid to oval, approx. 8 - 12 cm. After the appearance of the leaves the large male catkins (approx. 7 cm) and the smaller female flowers appear, the latter in groups of 2 or 3. The green, almost round fruit has a smooth husk that has short gland-like hairs at the beginning. The light brown nut is grooved. Very tasty. The nuts do not appear until the tree is approx. 15 years old. Has deep roots and much prefers open soil that the roots can penetrate. The tree is an important producer of wood.
Our trees can only be planted when they don't have any leaves. Due to the this we will start delivering again from November 2024.
Availability
Clear stem (7) Multi-stem (7) Half stem (2)
Size
Root ball size
Packaging
Amount
Delivery period
250/300h, multistem with raised stems
Wire rootballed
Available from november! Pre-order now!
Root ball size
Packaging
Wire rootballed
Delivery period
Available from november! Pre-order now!
Stock
Available
250/300 multistem
Wire rootballed
Available from november! Pre-order now!
Root ball size
Packaging
Wire rootballed
Delivery period
Available from november! Pre-order now!
Stock
Available
300/350 multistem
Wire rootballed
Available from november! Pre-order now!
Root ball size
Packaging
Wire rootballed
Delivery period
Available from november! Pre-order now!
Stock
Available
300/350h, multistem with raised stems
Wire rootballed
Available from november! Pre-order now!
Root ball size
Packaging
Wire rootballed
Delivery period
Available from november! Pre-order now!
Stock
Available
350/400h, multistem with raised stems
Wire rootballed
Available from november! Pre-order now!
Root ball size
Packaging
Wire rootballed
Delivery period
Available from november! Pre-order now!
Stock
Available
400/450h, multistem with raised stems
Wire rootballed
Available from november! Pre-order now!
Root ball size
Packaging
Wire rootballed
Delivery period
Available from november! Pre-order now!
Stock
Available
450/500h, multistem with raised stems
Wire rootballed
Available from november! Pre-order now!
Root ball size
Packaging
Wire rootballed
Delivery period
Available from november! Pre-order now!
Stock
Limited stock
Size
Root ball size
Packaging
Amount
Delivery period
50-60 halfstem
Wire rootballed
Available from november! Pre-order now!
Root ball size
Packaging
Wire rootballed
Delivery period
Available from november! Pre-order now!
Stock
Limited stock
60-70 halfstem
Wire rootballed
Available from november! Pre-order now!
Root ball size
Packaging
Wire rootballed
Delivery period
Available from november! Pre-order now!
Stock
Limited stock
Specifications
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Height
15 - 30 m
Crown
round, irregular, half-open crown, capricious growing
Bark and branches
light grey, deeply grooved trunk, young branches grey-brown
Leaf
imparipinnate, bright green, 20 - 30 cm, feathered leaf
Flowers
♂ pendulous catkins approx. 6 - 8 cm, ♀ in groups of 2 or 3, May/June
Fruits
walnuts, shallow grooves, green fruit husk, edible, edible fruits
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
calcareous and humid soil
Soil moisture
withstand short flood
Paving
tolerates no paving
Winter hardiness zone
5b (-26,0 to -23,4 °C)
Wind resistance
good
Other resistances
resistant to frost (WH 1 - 6), can withstand wind
Application
avenues and broad streets
Shape
clearstem tree, multi-stem treem
Origin
South-eastern Europe, Asia Minor to the Himalayas and Western China
Clear stem tree Multi-stem tree calcareous soil clay soil loamy soil sandy soil tolerates no paving resistant to frost (WH 1 - 6) withstand short flood can withstand wind 1st size , taller than 12 metres half-open crown green green late sprout average growing Feathered leaf non-toxic (usually) Capricious growing Edible fruits playground tree
Applications and inspiration
Clear stem, branched or multi-stem tree?
Shaped trees and espaliers: the solution where there is little space!
Related projects
Bryggervangen and Sankt Kjelds Square - Copenhagen
Frequently asked questions
Juglans regia

Juglans regia can eventually reach a height of 15 - 30 m, depending on the site and climate conditions.

Juglans regia is average growing and can eventually reach a height of 15 - 30 m, depending on the site and climate conditions.

The right time to plant Juglans regia is during the dormancy period. In Western Europe, Juglans regia with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.

Juglans regia blooms in may.
General