Common name Cobnuts, filberts, hazelnuts
Botanical name Corylus avellana, C. maxima
Group Fruit
Flowering time Early spring
Planting time Plant in dormant season
Height and spread Will reach 6m (20ft) by 5m (15ft) if unpruned
Aspect Sheltered, full sun, well-drained soil
Hardiness Fully hardy (really low temperatures can affect cropping)
Difficulty Moderate