Tango Lettuce is a well regarded heirloom tossed salad favorite for its serrated oak leaf shape edges and deeply channeled lobbing that makes it of notable textural excellence. Ideal when tossed with a variety of baby-leaf varieties, Tango stands up to the thickest of dressing toppings. Easy to grow, this variety features 7" to 9" inch upright uniform tightly formed rosette heads that boast a tender tangy flavor. 45 days. Packet: 500 seeds.