copper tip

Plant 8-10cm deep in spring, in fertile, humus-rich, moist but well-drained and preferably sandy soil in full sun or partial shade; if clumps become congested, divide them in early spring. May be a nuisance in some gardens if not managed well

No pruning required, except the removal of dead leaves and flower stems before new growth starts in spring

Propagate by division of established clumps in spring just before new growth starts

May be susceptible to glasshouse red spider mite

Generally disease-free