Ensure a distance of
5.85 inches (15.0 cm) between seeds when sowing - look to sow at a depth of approximately
0.98 inches (2.5 cm).
By our calculations, you should look at sowing Red Ripper about 0 days after your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Red Ripper is a tender plant.