I have a photo of mine!
They are frost tender, min 5C and they dislike very hot, humid conditions. Well drained, neutral to alkaline soil is preferred as is a sunny site. Grown more for it's leaves than its colourful flowers. It is useful in pots or as bedding plants; in warm conditions flowers are borne almost continuously.
Root division or softwood cuttings from spring to autumn.
Pests, diseases or disorders
Prone to vine weevils, aphids, grey mould and mealy bugs.