There are some gardening practices which improve the health of the soil and the natural ecosystems in a garden and some which don't. Keeping the soil covered…
Grow in light well-drained soil or loam-based potting compost. Water frequently in hot weather but do not allow the soil to become too moist. A balanced liquid fertiliser can be applied occasionally especially when in full growth. Pot on each spring. They prefer slightly acidic soil.
Sow seeds of species at 21C as soon as they are ripe. Root stem and leaf cuttings can be rooted in spring or early summer in partial sun in a propagating case.
Pests, diseases or disorders
Is susceptible to powdery mildew and botrytis from late spring to early autumn.