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Corylus colurna

Turkish hazel

A medium-sized deciduous tree of symmetrical, conical habit, with slightly lobed broadly-ovate leaves. Pendulous yellow catkins to 8cm in length. Nuts held within a deeply fringed husk

Synonyms
Corylus avellana 'Colurna'
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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, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Green
Summer Green
Autumn Green Brown
Winter
Position
  • Full sun
  • Partial shade
Aspect

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

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Betulaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Genus

Corylus are deciduous trees and large shrubs with broad leaves, and showy male catkins in early spring, followed by edible nuts

Name status

Correct

Plant range
SE Eur., W Asia

How to grow

Cultivation

Grow in well-drained soil in sun or partial shade

Propagation

Propagate by seed or graft

Suggested planting locations and garden types
  • Architectural
  • Low Maintenance
Pruning

Pruning group 7

Pests

May be be susceptible to caterpillars, gall mites, aphids and sawflies. Squirrels like to feed on the nuts

Diseases

May be susceptible to honey fungus, silver leaf and powdery mildews

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