Because these flowers are a sprawling variety, you should divide congested flowers in spring or fall. Once winter comes, you can cut back your Campanula or let it remain as an over-winter habitat for birds.

Can I split a campanula plant?

Water well after planting. Note: The seedlings normally don't bloom during their first year. You can also propagate campanula through division. ... Use your hands, a knife, or spade shovel to pull or cut apart the plant into two or more rooted sections.

When can you move campanula UK?

Sow seed in autumn or spring. Plant out in the autumn. Take cuttings of perennials in spring. Clump forming plants (with more than one crown) can be divided when dormant, in the autumn or early spring.