Juglans regia 'Guillot' – Juglans regia 'Guillot'

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Juglandaceae

Juglans regia 'Guillot' – Juglans regia 'Guillot'

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Large tree with rather irregular, round crown, 15 - 25 m tall. The crown is formed by heavy boughs. Mature bark light grey with deep, longitudinal grooves. The imparipinnate leaf grows 20 - 30 cm long and consists of 5 - 9, occasionally 11 leaf segments. These are ovate to oval and 8 - 12 cm long. After the leaf development, the male catkins and the smaller female flowers appear, the latter in groups of 2 or 3. The blossoms are fairly inconspicuous. The distinguishing feature of ‘Guillot’ is that this cultivar is sterile, so will bear no nuts. Highly suitable for use in parks, wide avenues and open verges. Roots very deeply and much prefers easily penetrable, open soil.
Availability
Clear stem (2)
Specifications
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Height
15 - 25 m
Crown
round, irregular, half-open crown
Bark and branches
branches grey-brown, bark light grey, deeply grooved
Leaf
imparipinnate, bright green, 20 - 30 cm, with 5 - 9 (11) leaf segments, feathered leaf
Flowers
♂ pendent catkins, 6 - 8 cm, ♀ 2 or 3 together, May/June
Fruits
none, sterile cultivar, fruitless cultivar
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
limy, moist soil
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, parks, cemeteries, large gardens
Shape
clearstem tree
Origin
Gilles Bourne, France
Clear stem tree calcareous soil clay soil loamy soil sandy soil tolerates no paving resistant to frost (WH 1 - 6) can withstand wind 1st size , taller than 12 metres half-open crown green yellowgreen late sprout average growing Feathered leaf non-toxic (usually) Fruitless cultivar
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Frequently asked questions
Juglans regia 'Guillot'

Juglans regia 'Guillot' can eventually reach a height of 15 - 25 m, depending on the site and climate conditions.

Juglans regia 'Guillot' is average growing and can eventually reach a height of 15 - 25 m, depending on the site and climate conditions.

The right time to plant Juglans regia 'Guillot' is during the dormancy period. In Western Europe, Juglans regia 'Guillot' 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 'Guillot' blooms in may.
General