Plant Finder Features How It Works Pricing Testimonials Blog

The UK's leading eCommerce platform for horticulture businesses.

Product

Features
How It Works
Pricing

Company

About
Blog
Contact

Legal

Twitter LinkedIn

oak 'Koster' | Plant Finder | Fill My Garden

Home/Plants/Trees

Plants > Trees

oak 'Koster'

Quercus robur (Fastigiata Group) 'Koster'

★ RHS AGMLow Maintenance

Genus: Quercus
Family: Fagaceae
Common Names: oak 'Fastigiata Koster'

About this plant

'Koster' is 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

Growing Information

Height

Higher Than 12 Metres

Spread

1.5-2.5 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ChalkLoamSandy

AcidAlkaline

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Neutral

Moisture

Poorly DrainedWell Drained

Aspect

East FacingSouth FacingWest FacingNorth Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grows well in most deep, fertile soils and is lime tolerant

Pruning

Pruning group 1

Propagation

Propagate by seed, sown as soon as ripe, in a cold frame

Pests

Susceptible to aphids, caterpillars, leaf-mining moths and oak gall wasps

Diseases

May be affected by powdery mildews. Also oak wilt in USA only

Garden Uses

Uses

Ground Cover

Season of Interest

AutumnSpringSummer

Size & Characteristics

Height

Higher Than 12 Metres

Spread

1.5-2.5 Metres

Habit

Climbing

Time to Full Height

Over Hundred Years