65 days. Lactuca sativa. Open Pollinated. Webb's Wonderful Lettuce. The plant produces good yields of very large crisphead lettuce. It has an exceptional buttery and mild flavor like butterhead lettuce. The crisp leaves are perfect for sandwiches, salads, and garnishes. Does well in hot weather, dry or wet conditions. Slow to bolt. Suitable for the Southern region of the country. Excellent choice for home gardens and market growers. United States Department of Agriculture, PI 234624. An 1890 heirloom variety from England. Disease Resistant: V.