How to Prune peach-leaved bellflower?
Cut back after flowering to prevent self-seeding and to encourage a second flush of flowers

peach-leaved bellflower · Campanula persicifolia
Also known as: fairy bellflower; fairy bells; peach bells; petticoat bellflower; willow bell
Best grown in fertile, neutral to alkaline soil that is moist but well-drained; in partial shade or sun. Needs staking in exposed sites - see staking perennials
Cut back after flowering to prevent self-seeding and to encourage a second flush of flowers