Non-gmo heirloom Vegetable garden Lactuca sativa Butter king butterhead lettuce seeds. 60 80 Days to maturity. Lactuca sativa. Heirloom. Annual. Slow to bolt or turn bitter light-green crisp 12-13 oz. Butterheads does well in midwest heat boston type but nearly twice as large and more tender grows vigorously good flavor diease resistant.
