Overview
Hawthorn Bonsai (Crataegus species) is a native hedgerow tree with spring blossom, red haws, thorns and rugged bark. It is best suited to wild naturalistic bonsai, informal upright, clump and literati styles. For UK growers, treat it as: Outdoor.
Placement
full sun for flowers and berries
Watering
keep evenly moist, especially while flowering and fruiting
Feeding and fertilising
feed moderately through spring and summer
Pruning and wiring
prune after flowering; wire carefully because of thorns and brittle older branches
Repotting
repot every 2-3 years in early spring
Propagation
seed, cuttings, layering or collected seedlings with permission
Pests, diseases and common issues
fireblight, aphids, mildew, caterpillars and bird damage to fruit