Keep in mind when planting that Single Italian is thought of as hardy, so Single Italian will tend to go dormant or grow slowly over the winter months. Single Italian requires a loamy and potting mix soil with a ph of 6.0 - 6.0 - it grows best in weakly acidic soil.
Look to ensure a distance
7.8 inches (20.0 cm) between seeds when sowing - bury at a depth of at least
0.25 inches (0.64 cm) deep. Soil temperature should be kept higher than
10°C / 50°F to ensure good germination.
By our calculations, you should look at sowing Single Italian about 35 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Single Italian is a hardy plant.