Sow
0.2 inches (0.5 cm) deep with a guideline distance of
1.95 inches (5.0 cm). Soil temperature should be kept higher than
18°C / 64°F to ensure good germination.
By our calculations, you should look at sowing Punjab Lal about 38 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Punjab Lal is a half hardy plant.