Try to aim for a seed spacing of at least
1.95 inches (5.0 cm) and sow at a depth of around
0.0 inches (0.0 cm).
By our calculations, you should look at sowing Sapphire Trailing about 105 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Sapphire Trailing is a tender plant.