Lucy Lambriex // Getty ImagesWhen to Plant Lettuce for a Fall GardenLettuce is known as a cool-season crop that doesn’t like super-hot temperatures. In the Lower South, you can grow lettuce all winter with frost protection. simonkr // Getty ImagesThe Best Types of Lettuce to GrowYou can grow leaf lettuce, head lettuce (which takes a little longer to mature and requires more space), and other greens such as spinach, arugula, and kale. This versatile variety is an oakleaf lettuce that you can harvest at the baby leaf stage or grow into the rosette-shaped full-sized head. This versatile variety is an oakleaf lettuce that you can harvest at the baby leaf stage or grow into the rosette-shaped full-sized head.