Overview
Hazel Bonsai (Corylus species) is a deciduous shrub/tree with catkins, broad leaves and strong suckering habit. It is best suited to clump styles, naturalistic woodland bonsai and winter catkin displays. For UK growers, treat it as: Outdoor.
Placement
sun to partial shade
Watering
keep evenly moist, especially during summer
Feeding and fertilising
feed in spring and summer
Pruning and wiring
remove unwanted suckers and prune after catkins if display is desired; large leaves suit medium bonsai
Repotting
repot every 2-3 years in early spring
Propagation
suckers, layering or seed
Pests, diseases and common issues
large leaves, aphids, nut pests and repeated suckers from the base