Quercus phellos HIGHTOWER ('QPSTA') – Quercus phellos HIGHTOWER ('QPSTA')

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Fagaceae

Quercus phellos HIGHTOWER ('QPSTA') – Quercus phellos HIGHTOWER ('QPSTA')

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Large tree with a straight leader and a regular crown shape. Initially the crown is ovoid, spreading later. The tree can grow to a height of 18 m with a diameter of around 12 m. The smooth dark grey bark becomes slightly rough on older trees and flakes off in small plates. The narrow leaf is the same size and colour as the species. In warm areas, the tree is full or partly evergreen whereas it is deciduous in colder regions. In areas where the foliage falls in winter, the autumn colour is light yellow. No more than a third of the small, round acorn is enclosed by the cupule. This cultivar is recommended over the species because of its regular and slightly more slender crown. Prefers to grow on fertile, moist but well-drained soil. Suitable for parks, wide green borders, avenues and car parks.

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Specifications
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Height
12 - 18 m
Width
8-10m
Crown
broad ovoid, half-open crown
Bark and branches
twigs olive green, bark dark grey, smooth, later with peeling plates
Leaf
lanceolate, smooth-edged, green, 5 - 15 cm
Flowers
golden coloured ♂ catkins, May
Fruits
almost round, 1 - 1.5 cm, single or in pairs
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
moist, fertile
Paving
tolerates no paving
Winter hardiness zone
6b (-20,5 to -17,8 °C)
Wind resistance
good
Other resistances
resistant to frost (WH 1 - 6), can withstand wind, resistant to de-icing salt
Application
avenues and broad streets, industrial areas
Shape
clearstem tree
Origin
Tree Introductions, Inc., Bishop, GA, USA, 2001
Synonyms
Quercus phellos 'Hightower'
Clear stem tree acid soil calcareous soil loamy soil peaty soil sandy soil tolerates no paving resistant to de-icing salt resistant to frost (WH 1 - 6) can withstand wind broad ovoid 1st size , taller than 12 metres half-open crown green yellow average growing non-toxic (usually)
Frequently asked questions
Quercus phellos HIGHTOWER ('QPSTA')

Quercus phellos HIGHTOWER ('QPSTA') can eventually reach a height of 12 - 18 m, depending on the site and climate conditions.

Quercus phellos HIGHTOWER ('QPSTA') is average growing and can eventually reach a height of 12 - 18 m, depending on the site and climate conditions.

The right time to plant Quercus phellos HIGHTOWER ('QPSTA') is during the dormancy period. In Western Europe, Quercus phellos HIGHTOWER ('QPSTA') 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 phellos HIGHTOWER ('QPSTA') blooms in may.
General