Rampion prefers consistent moisture but dislikes waterlogged soil. Water thoroughly when the top 2-3 cm of soil feels dry. Reduce watering in winter to prevent root rot.

Ensure good drainage to avoid fungal diseases, especially in containers.

Deadhead spent flowers regularly to encourage more blooms and prevent self-seeding if unwanted. Trim back any leggy or overgrown stems in late winter or early spring to promote a more compact and bushy habit for the new growth.

Rampion can be propagated by seed, sown directly outdoors in spring or autumn, or started indoors a few weeks before the last frost. Division of established clumps in spring is also an effective method for multiplying plants.

Young plants may need repotting annually into slightly larger containers. Established plants can remain in their pots for 2-3 years. Repot in spring before new growth begins, using a well-draining potting mix.

Ensure adequate drainage holes.