Sow
0.06 inches (0.15 cm) deep with a guideline distance of
11.7 inches (30.0 cm). Soil temperature should be kept higher than
24°C / 75°F to ensure good germination.
By our calculations, you should look at sowing Pink Ruffle about 56 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Pink Ruffle is a tender plant.