Sow at a depth of approx.
0.0 inches (0.0 cm) and aim for a distance of at least
1.95 inches (5.0 cm) between Trailing lobelia plants.
By our calculations, you should look at sowing Sky Blue about 105 days before your last frost date.
Sky Blue is tender, so ensure you wait until all danger of frost has passed in your area before considering planting outside.