Overview
Wisteria Bonsai (Wisteria species) is a vigorous flowering vine trained as bonsai for hanging racemes of purple, white or pink flowers. It is best suited to flowering displays, cascade, semi-cascade and old twisted trunks. For UK growers, treat it as: Outdoor.
Placement
full sun is essential for reliable flowering
Watering
water generously; wisteria is thirsty in warm weather and dislikes drying out
Feeding and fertilising
feed after flowering and in summer, but avoid pushing too much leafy growth before bloom
Pruning and wiring
prune long shoots back after flowering and again in summer; preserve flower spurs
Repotting
repot every 2-3 years after flowering or early spring
Propagation
layering, cuttings, grafting or seed for long-term projects
Pests, diseases and common issues
poor flowering if too young, shaded or over-pruned; aphids and mildew