Corylus avellana 'Contorta'
corkscrew hazel
Large deciduous shrub about 6m tall, with strongly twisted branches bearing broadly heart-shaped, slightly twisted and contorted, mid-green toothed leaves, turning yellow in autumn, and pendent yellow male catkins in late winter and early spring followed by brownish fruits in late summer
Size
Ultimate height
2.5–4 metresTime to ultimate height
10–20 yearsUltimate spread
2.5–4 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Alkaline, Neutral, AcidColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Yellow | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Yellow | |||
| Winter | Yellow |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Betulaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Corylus are deciduous trees and large shrubs with broad leaves, and showy male catkins in early spring, followed by edible nuts
- Name status
Accepted
How to grow
Cultivation
Grow in any moist but well-drained soil in sun or partial shade, ideal for chalky soils and good for winter flower arrangements. For more information see cobnuts and filberts
Propagation
Suggested planting locations and garden types
- Cottage and informal garden
- Wildlife gardens
- Cut flowers
- Hedging and screens
Pruning
Pruning group 1 if necessary, pruning is not generally required
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
Get involved
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