Allium ampeloprasum, commonly called Blue de Solaise, is a historic cold-tolerant leek with large flavorful 15-20" stalks of true blue foliage that turn purple with cold temperatures. Sow seeds indoors 1/4" deep and transplant 6" apart as soon as spring soil is workable.
Packet of 100 seeds.
Exposure: Full sun
Germination: 5-7 days
Photo courtesy of Seed Savers Exchange