3,000 Organic Red Sails Lettuce seedsApprox. 1/2 ounce Red Sails Leaf Lettuce is ready in 45 days. An AAS winner, these non-GMO Red Sails seeds grow into green leaves of lettuce with red tips that are ready to harvest for your salads. . The Red Sails lettuce can be grown in most zones, including colder zones. The leaves of the Red Sails have a mildly sweet flavor.