Keep in mind when planting that Superbissima Alba F1 is thought of as half hardy, so it will need protecting in periods of cold weather.
Soil temperature should be kept higher than
21°C / 70°F to ensure good germination.
By our calculations, you should look at sowing Superbissima Alba F1 about 77 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Superbissima Alba F1 is a half hardy plant.