Like many on this site I expect, I am fearing how many plants I will lose this week. I have wrapped up those I can manage and know are at risk with fleece.…
They are fully hardy to frost tender, min 3C, and will need full sun with fertile, well drained soil. You should water the containerized specimens freely in the summer and moderately at other times.
Propagate from seed or cuttings in spring or summer. In mild climates they self- seed readily.
Pests, diseases or disorders
Whitefly may sometimes be troublesome. Contact with foliage may irritate skin.