Succeeds in a sunny sheltered position in most soils but prefers one that is poor and light. A very ornamental plant, the flowers are very attractive to bees. There are many named forms selected for their ornamental value.

None known

Seed - sow March in a greenhouse. The seed usually germinates in 5 - 7 days at 20 - 25°c. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in early summer. Especially in areas with hot summers, the seed can also be sown in situ in May.

Roadsides and waste places.