This used to be the most favourite and widely grown of the passion(there are some 400 species). Nowadays, however, when houses are warmer in winter, it is grown less of ten because it is impossible to provide the necessary cold and light conditions.
It requires a fairly heavy. Position in full sunlight in spring and summer, otherwise it will not flower. The maximum winter temperature is 10°C (50° F). it hard to promote the formation of new, young flower-bearing shoots. Feed weekly from spring to autumn. Propagate either by or by ; only ripe , with two , should be taken as . They will readily form at a soil temperature of about 20° C (68° F).