red star 'Perle'

Grow in an alpine house in a mix of equal parts lime-free potting compost, leaf mould, and sharp sand, in full light, water freely and apply a balanced liquid fertilizer monthly when in growth, and keep just moist in winter; or grow outdoors in a trough or rock garden, in well-drained, moderately fertile, humus-rich soil in full sun, and in winter protect with a propped pane of glass to keep plants almost dry

No pruning required

Propagate by division of established clumps, or by separating offsets, in late autumn

May be susceptible to glasshouse red spider mite and thrips under glass

Generally disease-free