Keep in mind when planting that Crème Caramel is thought of as very hardy, so this plant will typically do well in a variety of different extremes of cold temperature.
Try to ensure a gap of at least
4.68 inches (12.0 cm) when sowing to prevent overcrowding your seedlings.
By our calculations, you should look at sowing Crème Caramel about 63 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Crème Caramel is a very hardy plant.