How to Prune sweet pepper 'Gypsy'?
Pinch out growing tips when plants are about 20cm tall to encourage branching

sweet pepper 'Gypsy' · Capsicum annuum 'Gypsy'
Best grow inside on a sunny windowsill or in a greenhouse, but can be grown outside once all danger of frost has passed; select a sunny, sheltered position and grow in containers, growing bags or in open ground. Water regularly and feed with a high potassium liquid fertiliser once the first fruit has set. May need support. See Peppers (Grow Your Own)
Pinch out growing tips when plants are about 20cm tall to encourage branching