Start seeds indoors six weeks before 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 Demidov is a tender plant.Possibly named after the influential Russian merchant family of the 18th and 19th centuries. 1
Bred by Western Siberian Potato-Vegetable Exp. Lab in Siberia, Russia. 1