Aim to sow
0.25 inches (0.64 cm) deep and try to ensure a gap of at least
0.98 inches (2.5 cm). Soil temperature should be kept higher than
20°C / 68°F to ensure good germination.
By our calculations, you should look at sowing DRP 8001 about 60 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as DRP 8001 is a tender plant.