Keep in mind when planting that Schneekönigin is thought of as very hardy, so this plant will tend to survive through freezing conditions.
Ensure a seed sowing distance of
11.89 inches (30.48 cm).
By our calculations, you should look at sowing Schneekönigin about 56 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Schneekönigin is a very hardy plant.