Seed directly into the garden after the soil has warmed in the spring. For earlier blooms start seed 4 weeks in advance of intended date for moving plants to the garden. Press seed into soil, do not cover. Germinates best at 22 C (74 F) usually in 7-10 days. Reduce growing temperature to 18 C (65 F). Fertilize every 2 weeks with 10-52-17 and liquid seaweed for strong healthy plants. Garden spacing 25 cm (10in) apart.