Forsythia Species/Forsythia Species Guide
Forsythia are best known for their buttercup yellow flowers that form on bare branches in Spring. All Forsythia species are suitable for use as bonsai; however they are quite coarse growing and are primarily grown for their flowers.
Ease of Cultivation 9/10 Suitablity and Ease for Bonsai Styling 7/10
Position Outdoor tree only. Full sun or light dappled shade. Fully hardy to -10°C.
Repotting Every one or two years in Spring after flowering.
Pruning After flowering, prune back branches hard and continue to prune out growth until midsummer; after which the following Spring's flower buds will be produced and only minimal pruning should be carried out.
Propagation Root greenwood cuttings in late Spring or early Summer. Root semi-ripe cuttings in Summer. By division in Winter and early Spring.
Pests and Diseases Forsythia gall can affect some plants; birds may eat flower buds in early Spring.
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