Sow
0.0 inches (0.0 cm) deep with a guideline distance of
11.7 inches (30.0 cm). Soil temperature should be kept higher than
13°C / 55°F to ensure good germination.
By our calculations, you should look at sowing Illico about 45 days before your last frost date.
As Illico is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.