Try to aim for a seed spacing of at least
3.96 feet (1.22 metres) and sow at a depth of around
0.25 inches (0.64 cm).
By our calculations, you should look at sowing Flower Carpet Coral about 35 days before your last frost date.
As Flower Carpet Coral is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.