P. Thisplant grows to about 18 in. and blooms a year from , which should be in May, in heat, and pricked out into 5 in. as early as it is possible to handle it. The orange-red appear in summer and continue over a long period. It requires mould and sand in the main of loam and the should be well-drained with small crocks. Increase by 3 in. long in March.