Sow in rows 30cm apart in soil. Germination can be slow and hit and miss- so once they've germinated and seedlings are large enough to handle, it's wise to carefully dig up a few to move elsewhere, leaving a spacing of 25cm. If sown in Autumn, they'll germinate the following Spring.
Hardy Annual
Full Sun
Space 30 cm/ 12 inches apart
90-100 days to maturity
Height: 60-80 cm
Approximately 120 seeds per packet