Summer/fall bloomFrost tender
Sow seeds in fertile, well-drained soil in full sun when danger of frost is past and weather is warm and above 50°F (10°C) both day and night. Space seeds 3 inches apart in rows 12 inches apart, cover 1/2 inch deep and gently firm soil. Keep soil evenly moist while awaiting germination.
One month before last frost, sow seeds 1/2 inch deep and 3 inches apart in seed starting mix. Keep warm and moist and provide a strong light source until seedlings are ready to plant outside when temps rise above 50°F (10°C) day and night.
Space seedlings 8-12 inches apart when large enough to handle to give plants room to mature and provide good air circulation.