Seed Needs, Ruby Red Lettuce (Lactuca sativa) 400 Seeds Non-GMO Quality Ruby Red Lettuce seeds packaged by Seed Needs. Intended for the current and the following growing season. Packets are 3.25" wide by 4.50" tall and come with a full colored illustration on the front side, as well as detailed sowing instructions on the reverse. Ruby Red is a delicious heirloom that produces semi crispy, ruby red leafs. The heads form much like romaine, in an upright formation, with it's stems leading down to it's loose core. Ruby Red is an early variety that is ready for harvesting in r Ruby Red is an early variety that is ready for harvesting in roughly 40 to 53 days. It's early harvest makes it a perfect choice for Northern gardens, with shorter growing seasons. Ruby Red Lettuce is an annual crop, meaning that it will produce heads of lettuce which can be harvested in a single season. All Lettuce seeds sold by Seed Needs are Non-GMO based seed products and are intended for the current & the following growing season. All seeds are produced from open pollinated plants, stored in a temperature controlled facility and constantly moved out due to popularity.