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Quercus castaneifolia

chestnut-leaved oak

A large, spreading deciduous tree to 35m. The 15cm leaves emerge slightly coppery in spring then become glossy green, with shallow teeth along the edges. In autumn they turn yellow brown and large acorns form which are held in mossy-looking cups

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Size
Ultimate height
Higher than 12 metres
Time to ultimate height
20–50 years
Ultimate spread
Wider than 8 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Bronze
Summer Green
Autumn Brown Yellow Brown
Winter
Position
  • Full sun
Aspect

East–facing or North–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Fagaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Spreading branched
Potentially harmful
Pets (dogs): Harmful if eaten - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus

Quercus can be deciduous or evergreen trees or shrubs, with entire, lobed or toothed leaves; flowers inconspicuous, followed by characteristic acorns; sometimes good autumn colour

Name status

Correct

Plant range
Caucasus to Iran

How to grow

Cultivation

Suited to large gardens and parkland. Grow in well-drained but moisture-retentive soil in good light. For more advice see tree cultivation

Propagation

Propagate by sowing seed soon after it drops or by hardwood cuttings in autumn. For more advice see Propagate by seed

Suggested planting locations and garden types
  • Architectural
Pruning

Pruning group 1

Pests

May be susceptible to oak processionary moth, aphids, caterpillars, leaf-mining moths and oak gall wasps

Diseases

May be susceptible to powdery mildews and honey fungus

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