Lactuca sativa, All-weather, All year round planting, An heirloom romaine that’s truly unique — part butterhead, part romaine (demi-Cos) & part savoyed with the darkest green leaves of any, tightly wrapped around the lemon-lime heart of a butterhead, Wonderful with its resistance both to bolting & too cold (withstands frosts better than most), making it great all-season lettuce. 28 days baby (cut & Come Again) or 55 days full size, Seed Count Approx - 350 avg SOWING - Sow in an unheated greenhouse or protected area outside, all thru the year making succession plantings every 1-2 weeks to ensure a constant harvest. Always harvest lettuce very early in the morning, Maturity 68 days Seed Depth: sow thinly and just lightly covered (5 to 10 days to emerge) Note: Lettuce will not germinate at high temperatures. (You will get better growth if protected through winter)