By Mary H. Dyer, Master Naturalist and Master Gardener What is sea kale? For starters, sea kale (Crambe maritima) isn’t anything like kelp or seaweed and you don’t need to live near the seashore to grow sea kale. In fact, you can grow sea kale plants even if your region is completely landlocked, as long as it falls within a cool moist climate in USDA plant hardiness zones 4 through 8. If this brief tidbit of sea kale information has piqued your curiosity, keep reading to learn more about sea kale plants, including sea kale growing. Sea Kale Information What is sea kale? Sea kale is a perennial known by a variety of interesting names, including sea-colewort and scurvy grass. Why is it called sea kale? Because the plant was pickled for long sea voyages, when it was used to prevent scurvy. Its use extends back hundreds of years. Is
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