They will prefer a warm, sunny position with fertile, well-drained soil. Is difficult to establish, resents being moved and in very cold areas roots may need protection in winter. Once established, may spread rapidly.
You can propagate by softwood cuttings of basal shoots in early spring, by seed in autumn (transplanting seedlings without disturbing rootballs) or by root cuttings in winter.
Pests, diseases or disorders
Wilt and caterpillars may be problematic.