oak 'Koster'

Also known as: oak 'Fastigiata Koster'

A fastigiate form with upright branches, spreading with age to ultimately reach approximately 20m high and 3m wide. Usually seed-raised so can be variable. Leaves are dark green with shallow lobes

Scientific classification

Species: oak 'Koster' (Quercus robur 'Koster')
Genus: Quercus
Family: Fagaceae

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Toxicity: Trees
Plant type: Higher than 12 metres
Height: 1.5-2.5 metres
Spread: Deciduous
Foliage: Columnar upright
Habit: Autumn · Spring · Summer
Season of interest: Full sun · Partial shade
Sunlight: Information to be completed
Ideal temperature

oak 'Koster' pictures

Distribution of oak 'Koster'

Distribution map

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Culture

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Toxicity

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Quick identification of oak 'Koster'

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oak 'Koster' care guide

Moderate regular watering, avoid prolonged drought or waterlogging
Watering: Full sun · Partial shade
Sunlight: Information to be completed
Ideal temperature

Watering

Moderate regular watering, avoid prolonged drought or waterlogging

Fertilizing

Balanced feed in spring and light repeat in growth season

Pruning

Little pruning is needed. Remove diseased, damaged, crowded or crossing shoots and unwanted growth. Timing depends on the plant: generally late winter or early spring; plants prone to bleeding and deciduous magnolias need different timing, and deciduous azaleas and lilacs are pruned after flowering.