20,000+ Lettuce Seeds, Heirloom Vegetable Seed for Planting Indoor Outdoor, 10 Varieties of Fresh Salad Greens for Hydroponics Kit, Easy to Grow for Garden Beginners, Non-Gmo. There are over 20,000 seeds, 10 kinds of lettuce collection, including bibb, boston, iceberg, buttercrunch, grand rapids TBR, oakleaf, ruby leaf, cimmaron romaine and waldmann’s.