Plant 1-2 inches apart. Thin seedlings to 4-6 inches when they are 1-2 inches tall.
Try to aim for a seed spacing of at least 5.85 inches (15.0 cm) and sow at a depth of around 0.39 inches (1.0 cm). Soil temperature should be kept higher than 13°C / 55°F to ensure good germination.By our calculations, you should look at sowing Carpet of Snow about 35 days before your last frost date.
Can be started indoors 6 weeks before last frost date. Plant out after danger of frost is past.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Carpet of Snow is a very hardy plant.By our calculations, you should look at planting out Carpet of Snow about 14 days before your last frost date.