Quercus ×kewensis – Quercus ×kewensis

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Fagaceae

Quercus ×kewensis – Quercus ×kewensis

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Medium-size to large tree with a broad oval, eventually round crown. The young twigs are light brown covered with short stellate hairs. The older bark is first grey and smooth but later almost black and grooved. The leaves are oval to oval-elongated, 5 to 8 cm long. The margin is shallow-lobed with 5 - 6 rounded triangular lobes. The leaf is matt dark green on top and glossy, lighter green on the underside. The tree produces about 2.5 cm large acorns which ripen in two years. However the acorns usually fall from the tree before they are ripe. This species hybrid between Q. wizlizenii and Q. cerris was found in the Royal Botanic Garden Kew by coincidence in 1914. The hybrid species name kewensis refers to this. This park tree requires a sheltered site and cannot tolerate cold, drying wind.
Availability
Multi-stem (2)
Specifications
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Height
10 - 15 m
Width
5-10m
Crown
broad oval to round, half-open crown
Bark and branches
twigs light brown, hairy, bark first grey and smooth, later almost black and grooved
Leaf
oval to oval-elongated, shallow lobed, matt dark green, 5 - 8 cm
Flowers
♂ catkins, May
Fruits
approx. 2.5 cm
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
few requirements
Paving
tolerates no paving
Winter hardiness zone
7b (-14,9 to -12,3 °C)
Wind resistance
fairly, cannot tolerate cold, drying wind
Other resistances
resistant to de-icing salt
Application
industrial areas
Shape
clearstem tree, multi-stem treem
Origin
Royal Botanic Gardens, Kew, London, England, 1914
Clear stem tree Multi-stem tree calcareous soil loamy soil sandy soil tolerates no paving resistant to de-icing salt 2nd size, between 6 and 12 metres half-open crown green yellow average growing non-toxic (usually)
Frequently asked questions
Quercus ×kewensis

Quercus ×kewensis can eventually reach a height of 10 - 15 m, depending on the site and climate conditions.

Quercus ×kewensis is average growing and can eventually reach a height of 10 - 15 m, depending on the site and climate conditions.

The right time to plant Quercus ×kewensis is during the dormancy period. In Western Europe, Quercus ×kewensis 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.

Quercus ×kewensis blooms in may.
General