An easily grown plant, succeeding in ordinary garden soil so long as it is moist, and also doing well in a bog garden. It prefers a sunny position. Plants succeed in damp woodlands or damp meadows. At least one named form has been selected for its ornamental value.

None known

Seed - sow spring in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. The seed can also be sown in situ in spring or early autumn though this requires more seed. Division in spring or autumn. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.

Damp meadows, marshes, fens and wet woods, avoiding acid soils.