Sow
0.25 inches (0.635 cm) deep with a guideline distance of
11.9 inches (30.5 cm). Soil temperature should be kept higher than
18°C / 64°F to ensure good germination.
By our calculations, you should look at sowing Red Beauty about 49 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Red Beauty is a hardy plant.