Cape primrose 'Crystal Wonder'

Grow as a houseplant in loamless potting compost on an east or west-facing windowsill, or grow in a temperate or warm greenhouse in bright filtered light with shade from hot sun. Water sparingly as compost dries in winter and in the growing season water freely allowing compost to dry out between waterings; feed fortnightly with a high-potassium fertiliser. See Streptocarpus cultivation

Remove faded flower stems

Propagate by leaf cuttings or by division

May be affected by aphids, glasshouse leafhoppers, mealybugs, tortrix moth, tarsonemid mites, sciarid flies, thrips and vine weevil

May occasionally be affected by grey moulds (botrytis) or powdery mildews