How to Prune Italian bellflower?
Cut dead stems to the base before winter

Italian bellflower · Campanula isophylla
Also known as: falling stars; Ligurian harebell; star bellflower; Jerusalem star; star of Bethlehem
A tender perennial and so ideal for a hanging basket or a container that is kept outside in summer and brought undercover when frosts are likely. Apply a balanced liquid feed every month during growing season; in winter keep compost moist. In frost-free a
Cut dead stems to the base before winter