Quercus - - Semi-mature and mature Quercus robur 'Fastigiata Koster'

02 9652 0300



Quercus robur 'Fastigiata Koster' - English Oak, Common Oak





United Kingdom, Europe, north Africa, western Asia

Plant Type:

Deciduous tree


12m x 3m

Habit/ Form:

A broad domed tree on a short massive trunk the large branches often twisting.


Alternate, obovate, margin pinnatifid with rounded lobes, bright green aging to dark green, turn yellowish brown in autumn. The leaves do not fall until late in autumn.


Inconspicuous among new growth in spring.


A pale brown oval acorn, 25 - 45mm x 20 -25mm, the involucre (saucer) covers one third of the acorn.

Bark / Trunk:

A massive trunk with deeply furrowed grey bark.

Vigour / Longevity:

Slow to moderate, long lived

Environmental Requirements:

Sunny positions, best in cool climates.


Frost hardy to -10°C, tolerates periodically wet soils, snow tolerant, tolerates neglect. More tolerant of coastal conditions than most other deciduous trees.

Soil / Drainage:

Prefers deep moist, well drained soils.


Early training to establish a single leader and to lift the lower branches, if access is needed under the crown. As this tree matures it is usually self shaping but can tolerate hard pruning.


Not drought tolerant, water in dry summers.


Apply a complete fertiliser in late winter for spring growth, until established.

Pests / Diseases:

Oak Blotch Leaf Miner, Chlorosis in alkaline soils, treat with Iron Chelates, Aphids, Mildew common in warmer climates.


Street tree, shade tree, avenue tree and golf course tree (the hard bark is not damaged by the golf balls).



© Text reproduced here with the kind permission of Tony Wilson and Barck Books.



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