Sow
0.25 inches (0.64 cm) deep with a guideline distance of
0.98 inches (2.5 cm). Soil temperature should be kept higher than
10°C / 50°F to ensure good germination.
By our calculations, you should look at sowing Dark Triple Curled about 35 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Dark Triple Curled is a hardy plant.