It is fairly common in the nursery trade as it tolerates a wide range of climatic variations. It prefers a sunny or partially shaded position in well-drained soil and is frost hardy.
Genus: After Charles Francis Greville, 1749-1809, co-founder of the Horticultural Society, London, later the Royal Horticultural Society.
Species: From Latin, speciosus, showy, splendid. Referring to the flowers.