New! 54 days Heirloom An interesting and somewhat unusual type, in that it seems to combine traits of both Romaine and butterhead types.The heads are compact, dense, upright and tall (8″). A very high-quality salad lettuce. Suitable for growing in all seasons, being tolerant to both heat and frost, but does require cool temperatures to germinate well. Bred in 19th century England. 24,000 seeds/ oz Pkt (~500 seeds) plants 50′.