Sow at a depth of approx.
0.23 inches (0.6 cm) and aim for a distance of at least
1.56 inches (4.0 cm) between Carrot plants. For optimal germination, soil temperature should be a minimum of
16°C / 61°F.
By our calculations, you should look at sowing Early Scarlet Horn about 14 days before your last frost date.
Early Scarlet Horn is very hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.