Sow
0.0 inches (0.01 cm) deep with a guideline distance of
1.95 feet (60.0 cm). For optimal germination, soil temperature should be a minimum of
25°C / 77°F.
By our calculations, you should look at sowing Norwhinat about 56 days before your last frost date.
Norwhinat is very hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.