A magical back of border plant with many large, silky blooms in shades from rich purple, through mauve, to the highly unusual and elusive blues. Flowers summer. Height: 150-180cm (5-6ft). Flowers in first year.
Sow from late winter to early spring 1.5mm (1/16 in) deep in John Innes Seed Compost. Make sure that the compost is moist but not wet and seal in a polythene bag until after germination, which normally takes 15-21 days at 21C (70F).
Harmful if eaten