Sow
0.2 inches (0.5 cm) deep with a guideline distance of
1.95 inches (5.0 cm). For optimal germination, soil temperature should be a minimum of
18°C / 64°F.
By our calculations, you should look at sowing Flash about 38 days before your last frost date.
Flash is tender, so ensure you wait until all danger of frost has passed in your area before considering planting outside.