We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors at least in the milder areas of the country. The following notes are based on the general needs of the genus. Prefers a moist loamy soil. A greedy plant, inhibiting the growth of nearby plants, especially legumes.

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. Division in spring.

Grassy places along rivers and in lowland. Fields, grassy slopes and forests below 500 metres.