Sow
0.51 inches (1.3 cm) deep with a guideline distance of
5.85 inches (15.0 cm). For optimal germination, soil temperature should be a minimum of
10°C / 50°F.
By our calculations, you should look at sowing Calabrese natalino about 42 days before your last frost date.
Calabrese natalino is tender, so ensure you wait until all danger of frost has passed in your area before considering planting outside.