Sow
0.49 inches (1.25 cm) deep with a guideline distance of
3.12 inches (8.0 cm). For optimal germination, soil temperature should be a minimum of
8°C / 46°F.
By our calculations, you should look at sowing Whale about 60 days before your last frost date.
Whale is half hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside - as a guideline, the minimum temperature outside should be approximately 0°C / 32°F.