Sandy AAS Leaf Lettuce Seeds. 45 - 50 days to maturity. 30 days to maturity for baby leaves. 2015 AAS National Winner. Lactuca sativa. Open Pollinated. Annual. Sandy is an attractive oakleaf type lettuce with a multitude of sweet tasting frilly dark green leaves. Not just pretty and tasty, Sandy has exceptional disease resistance, especially to powdery mildew and is slow to bolt. Approximately 25,000 seeds/ounce.