Sow
0.0 inches (0.0 cm) deep with a guideline distance of
11.7 inches (30.0 cm). Soil temperature should be kept higher than
13°C / 55°F to ensure good germination.
By our calculations, you should look at sowing Pinwheel about 45 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Pinwheel is a hardy plant.
USPP#18880: unlicensed propagation prohibited. Registered with COPF.