Organic Gourmet Lettuce Mix (Lactuca sativa) Chosen for their ease in growing as well as their culinary versatility and ornamental value. Simple, functional and understated, this true working container garden is a modern interpretation of the classic window box. Made from recycled US steel, the kit includes everything needed to grow organic cut-and-come-again gourmet lettuce mix year-round indoors or out. Includes: organic seed, recycled US steel box, growing medium, directions. Box size 18" long x 4.25" high.