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 Olsen's Folly is thought of as tender, so remember to wait until your soil is warm and the night time temperature is well above freezing before moving outside.Do not exclude light.
Try to aim for a seed spacing of at least 11.7 inches (30.0 cm) and sow at a depth of around 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 Olsen's Folly 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 Olsen's Folly is a tender plant.By our calculations, you should look at planting out Olsen's Folly about 0 days after your last frost date.
Named for 18th century Swedish botanist Anders Dahl.