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Advice

Camellias

General cultivation

Camellia japonica 'Sacco Nova' - photograph copyright RHSCamellias are some of the most well-known and widely grown winter flowering shrubs, providing a vivid splash of colour when the garden could otherwise look rather drab and washed out. Being ericaceous plants camellias require an acid soil. If your soil isn't acid then consider growing your camellia in a container. Tap water tends to contain too much calcium for camellias, so you will need to adapt your irrigation water to help keep your plant healthy.

Pruning

Being an early-flowering shrub camellias flower on their previous season's growth. This dictates that pruning should be carried out immediately after flowering, following the advice given for balanced evergreen shrubs.

Propagation

Camellia seed pod - photograph copyright RHSCamellias can be readily propagated by taking cuttings. In good summers seedpods can sometimes be produced by plants. Although the resulting seedlings will take 6-8 years to flower and be of unpredictable quality many gardeners like the challenges of seed propagation. So if you want to try seed propagation here's how:

Wait until the seedpod is ripe which will be indicated by it splitting open (usually late Oct - early Nov). Each seedpod can contain 2-3 seeds - only use the viable seed (these will be about pea-sized). Sow immediately into individual 9cm pots of ericaceous compost, water in with rainwater and place in a cold frame or against a wall in the shade. Seedlings should emerge in spring.

Problems

Camellia 'Freedom Bell' - photograph copyright RHSNon-flowering
Bud drop
Windscorch on evergreens
Oedema
Leaf yellowing
Algae on leaves

Pests

Camellia cushion scale

Diseases

Camellia gall

Camellia leaf blight
Camellia petal blight
Camellia yellow mottle virus