The Black Seeded Simpson Lettuce, originating from the United States, is a widely acclaimed heirloom lettuce variety, scientifically known as Lactuca sativa. Revered for its tender, delicate leaves and rich flavor, it has been a favorite among gardeners and salad enthusiasts for generations. This lettuce variety displays loose, frilly leaves with a bright green hue, providing an aesthetically pleasing addition to gardens. Its leaves, typically large and broad, offer a delightful contrast against darker greens or other vegetables, enhancing the visual appeal of salads and culinary presentations. Variety Details Plant type: Hardy Annual Growth habit: Herbaceous Crop category: Lettuce Kitchen profile: The Black Seeded Simpson Lettuce, originating from the United States, is a widely acclaimed heirloom lettuce variety, scientifically known as Lactuca sativa. Recorded feature: Open-Pollinated Product format: Seed packet Sowing & Growing Light: Full Sun Planting season: Fall or Spring Starting location: Direct Sow or Start Indoors & Transplant Recorded soil pH: 6.1 - 6.5 or 6.6 - 7.0 Recorded USDA zones: 3, 4, 5, 6, 7, 8, 9 Prepare a fine seedbed for Black Seeded Simpson Lettuce and keep the shallow sowing zone evenly moist while seedlings emerge. Thin according to the intended harvest stage: closer spacing can suit young leaves, while mature heads need more room. In warming weather, evaluate soil moisture and plant condition frequently instead of following a universal schedule. Pick outer leaves or cut mature plants at the stage you prefer. Record sowing and harvest dates to refine timing for the next planting. Before sowing Black Seeded Simpson Lettuce, review the packet alongside the current product details and note any range in temperature, germination, or maturity. Ranges reflect biological and seasonal variation rather than a fixed promise. Label each planting with its date and location, then compare emergence, growth, and harvest with local weather. This record is useful for succession plantings and for deciding whether the crop fits better into an earlier or later seasonal window. Explore related options in our Lettuce Seeds.
