Perennial. Pre-chill seed for 48 hrs in the refrigerator before sowing on the surface. Expect germination in 40 days at 21 deg C. Plants like cool well drained soil and prefer light shade.
Large 5 cm flowers on strong stems. Ideal in pots or as a border plant. Colours include blue, pink, cream, red, purple, and rose. Many include a deep yellow centre.