David's Garden Seeds Lettuce Buttercrunch OS435A (Green) 500 Organic Seeds Harvest in about 45 days Seeds are Non-GMO and hand packed by David's Garden Seeds in the Untited States of America Forms a small, open but tightly bunched, 6 inch rosette that is fan-shaped rather than round The leaves are dark green, and the small, compact hearts blanch to an appetizing yellow color Germination rate about 80%