Black Seeded Simpson have large, loosely packed, ice green leaves that are crisp, tender and sweet. The center blanches to near white and they tolerate summer heat. You can use this to fill the rows of your tomatoes. Also, it's nice to have fresh lettuce daily! We recommend planting weekly. Also, this lettuce is very cold tolerant. Put this in your weekly CSA boxes and on your table. Plus, it's a great choice for micro greens! All our seeds are Heirloom and Non-GMO. Order yours today, and happy growing!!!