They are frost tender with a min of 7-10C, they will require full light and well drained soil. You will need to water the containerized plants moderately when in full growth and sparingly at other times. Remember to remove stem tips of young plants to promote a bushy growth.
You can propagate by semi-ripe cuttings in late summer.
Pests, diseases or disorders
Botrytis may be troublesome if plants are kept too cool and damp in winter.