Aim to sow
0.25 inches (0.64 cm) deep and try to ensure a gap of at least
3.96 feet (1.22 metres).
By our calculations, you should look at sowing Variegata di Bologna about 35 days before your last frost date.
Variegata di Bologna is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.