In zones below 8, dig and store tubers after first hard frost.
Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Barbara B. 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 Barbara B. 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 Barbara B. is a tender plant.By our calculations, you should look at planting out Barbara B. about 0 days after your last frost date.
Named for 18th century Swedish botanist Anders Dahl.