How to Prune colour-changing heath?
Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.

colour-changing heath · Erica versicolor
In very mild areas, grow in moist but well-drained, acidic soil in full sun in a very sheltered position. Elsewhere grow in a frost-free greenhouse or conservatory in lime-free potting compost with extra sharp sand, making sure the compost is kept moist
Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.