Curly Kale SeedsOur curly kale seeds ensure high germination rates and vigorous growth, providing you with a plentiful supply of nutrient rich greens. With its hardy nature, curly kale thrives in a variety of climates and soil types. How to Grow Curly Kale Seeds Sow seeds inch deep in rich, well drained soil. Space plants 1218 inches apart in rows 1824 inches apart. Provide full sunlight for best growth. Water regularly to keep soil moist but not soggy. Feed with