QUERCUS robur f. fastigiata 'KOSTER'

Oak 'Koster'

QUERCUS robur f. fastigiata 'KOSTER'

Oak 'Koster'

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Maintenance advice : In winter, remove any dead wood. Pruning is often unnecessary.
Botanical/Horticultural origin : Europe ; selection by D.A. Koster (NL) and named in around 1978
Use group : Bäumen
Height at 10 years : 15 m
Width at 10 years : 3 m
Growth : Fast
Fragrance : No
Exposure : Full sun
Evergreen/Deciduous : Deciduous
Shape : fastigiate, columnar
Colour of leaves : Green
Colour of flowers : Absent
Soil type : Garden soil
Uses : Free standing specimen

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An improvement of the Q. pedunculate fastigiata; narrower and more compact with marcescent leaves (dried leaves, staying on the tree until the following spring) and a better resistance to mildew. A dense foliage with large leaves. The fastigiate Oak was first discovered in Germany, in the wild, around 1783.

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