Look to ensure a distance
11.7 inches (30.0 cm) between seeds when sowing - bury at a depth of at least
0.06 inches (0.15 cm) deep. Soil temperature should be kept higher than
24°C / 75°F to ensure good germination.
By our calculations, you should look at sowing F2 Super Hybrid Mix about 56 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as F2 Super Hybrid Mix is a tender plant.