Took the i pad out just now. I'm surprised at what is going on out there on this wet, stormy day. Outside the Daphne is putting on one hell of a display, so…
They are fully hardy to frost tender, min 5-7C and will require humus-rich, well drained soil with sun or partial shade. If pot grown, in summer dry off tubers of all except C.purpurascens (which is evergreen and flowers in summer); repot in autumn and water to restart growth.
Pests, diseases or disorders
C.persicum and its cultivars are susceptible to black root rot. Under glass red spider mites and grey mould.