Cultivation
They are frost tender, min 10C, and will prefer bright light but not direct sun, and well drained soil. Allow to dry out after flowering and store rhizomes in a frost free place over winter.
Propagation
Division of rhizomes or by seed, if available, in spring or by stem cuttings in summer.
Pests, diseases or disorders
Greenfly, thrips and red spider mite may be problems.