Even after 150 years it's one of the most tender leaf lettucesEach packet contains 2000 seedsSow outdoors in early spring after the average last frost date and harvest in 45 daysPlant Height is 9". plant spread is 6". yields 2-3" leavesAnnual for all growing zones from 1-11. Sunlight exposure = full-sunFind over 1000 Burpee vegetable, herb, and flower seeds on AmazonGet your seeds off to a great start with a Burpee Seed Starting KitBurpee, the gardener’s best friend since 1876. Beautiful plants and everything else you need to grow the garden of your dreams from America’s most trusted seed company. No GMOs, ever.