Corkscrew vine (Vigna caracalla) is a fast-growing tropical vine that produces distinctive, cascading, tendrils of fragrant, pale lavender, trumpet-shaped flowers. In order to maintain its health and promote its growth, corkscrew vine should be fertilized regularly. Here are some tips on how to fertilize a corkscrew vine: 1. Start with a well-draining soil: Corkscrew vine prefers a light, well-draining, fertile soil. If your soil is heavy, amend it with some sand, peat moss, or perlite to improve drainage. 2. Choose the right fertilizer: Choose a balanced, water-soluble fertilizer with an N-P-K ratio of 10-10-10 or 20-20-20. You can also use a slow-release fertilizer formulated for flowering plants. 3. Apply fertilizer regularly: Fertilize your corkscrew vine once a month during the growing season, from spring to fall. Water the plant thoroughly and then apply the fertilizer according to the instructions on the package. 4. Don't over-fertilize: Over-fertilization can cause leaf burn and other problems. Follow the instructions on the fertilizer package and don't apply more than recommended. 5. Watch for signs of nutrient deficiency: If your corkscrew vine is not growing well or is showing signs of nutrient deficiency, such as yellowing leaves or stunted growth, consider applying a nutrient-rich organic fertilizer or a foliar spray. By following these tips, you can ensure that your corkscrew vine stays healthy and produces an abundance of beautiful, fragrant flowers.