Sow at a depth of approx.
0.06 inches (0.15 cm) and aim for a distance of at least
0.98 inches (2.5 cm) between Shasta Daisy plants.
By our calculations, you should look at sowing Colwall about 49 days before your last frost date.
Colwall is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.