Very large, firm, almost shrub-like.
Because of its modest colouring it is one of the fewthat can be used in the border and among shrubs. Also makes an attractive specimen plant. Full sun is desirable.
Does best in rich, humus soil, well drained.
May be sown from early spring onwards in a heated frame or in the; if necessary even on the window-sill. The are pricked out once and kept in an adequate temperature until they can be hardened off about a month later. They may then be repotted once more and are moved to a warm and sheltered outside in late spring, spaced 40 cm apart.
Cleome spinosa: Height 90-120 cm;mid summer to early autumn, usually purple pink, in beautiful clusters. ‘Helen Campbell’ has white .