Start seeds indoors six weeks before last frost date.
Soil temperature should be kept higher than 15°C / 59°F to ensure good germination.By our calculations, you should look at sowing Nonna antonina about 30 days after your last frost date.
Plant to the first set of true leaves to promote strong root growth.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Nonna antonina is a tender plant.Seeds obtained from seed swap with Gartenbär. The variety was used for generations in the family. The variety was batized with the grandmother’s name.