Sow
0.04 inches (0.1 cm) deep with a guideline distance of
11.7 inches (30.0 cm). For optimal germination, soil temperature should be a minimum of
18°C / 64°F.
By our calculations, you should look at sowing Soprano White about 56 days before your last frost date.
Soprano White is half hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.