In zones below 8, dig and store tubers after first hard frost.
Enjoys a full sun position in your garden and remember to water moderately. Keep in mind when planting that Jack O Lantern is thought of as tender, so it is imperative to wait until temperatures are mild before planting out of doors.Do not exclude light.
Ensure a distance of 11.7 inches (30.0 cm) between seeds when sowing - look to sow at a depth of approximately 0.39 inches (1.0 cm). Soil temperature should be kept higher than 20°C / 68°F to ensure good germination.By our calculations, you should look at sowing Jack O Lantern about 60 days before your last frost date.
Prefers full sun.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Jack O Lantern is a tender plant.By our calculations, you should look at planting out Jack O Lantern about 0 days after your last frost date.
Named for 18th century Swedish botanist Anders Dahl.