Sow at a depth of approx.
0.78 inches (2.0 cm) and aim for a distance of at least
1.30 feet (40.0 cm) between Signet marigold plants. For optimal germination, soil temperature should be a minimum of
18°C / 64°F.
By our calculations, you should look at sowing Lemon/Tangerine Blend about 49 days before your last frost date.
Lemon/Tangerine Blend is tender, so ensure you wait until all danger of frost has passed in your area before considering planting outside.