Sow thinly, 6mm (¼in deep) in rows 30cm (12in) apart in well-cultivated soil which has been raked smooth.
Water ground regularly, especially in dry periods.
Germination usually takes 14-21 days.
Can also be sown September to October for spring/summer flowering next year.
Sow in pots or trays of moist seed sowing mix and cover with a fine sprinkling of sowing mix or vermiculite.
Keep at between 15-20C (59-68F).
After sowing, do not exclude light as it helps germination.
Keep the surface of the sowing mix moist, but not waterlogged; germination will usually take 14-21 days.
When large enough to handle, transplant the seedlings into 7.5cm (3in) pots or trays.
Overwinter plants in cool, light, frost-free conditions before planting out the following spring.