About
Corylus colurna is a medium-sized deciduous tree characterized by its symmetrical, conical shape. Its leaves are broadly ovate with slight lobing. The tree produces dangling yellow catkins that can reach up to 8 cm in length, and its nuts are enclosed in a deeply fringed husk.
About the genus
Corylus comprises deciduous trees and sizable shrubs featuring wide leaves. In early spring, they produce prominent male catkins, which are succeeded by edible nuts.
Growing conditions
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- North-facing, East-facing, South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Trees
- Habit
- Columnar upright
- Foliage
- Deciduous
- Height
- Higher than 12 metres
- Spread
- wider than 8 metres
- Time to full height
- 20-50 years
- Suggested uses
- Architectural
- Native to
- SE Eur., W Asia
Care notes
- Cultivation
- Grow in well-drained soil in sun or partial shade
- Pruning
- Pruning group 7
- Propagation
- Propagate by seed or graft
- Pest resistance
- May be susceptible to caterpillars, gall mites, aphids and sawflies. Squirrels like to feed on the nuts
- Disease resistance
- May be susceptible to honey fungus, silver leaf and powdery mildews