If you’re serious about heirloom vegetable gardening, then Oakleaf lettuce is definitely for you. A timeless classic, this variety has been grown continuously since prior to the Revolutionary War! A delicious and attractive leaf lettuce, Oakleaf is a strong performer in cool climates.  Harvest in about 45 days. Germination rate about 80%. David’s Garden Seeds is a Veteran owned business that has been offering quality seeds since 2009.