Water spinach, also known as kangkong, is a leafy green vegetable that is popular in Southeast Asian cuisine. It is easy to grow and can be a refreshing addition to your home garden. In this article, we will discuss how to plant water spinach and give you tips for a successful harvest.

Step-by-Step Guide to Planting Water Spinach

  1. Choose the Right Location: Water spinach loves warm and humid climates, so choose a spot in your garden that gets full sun and has good drainage. If you live in a cooler climate, you can still grow water spinach in a greenhouse or indoors.
  2. Prepare the Soil: Water spinach prefers moist soil with a pH level between 6.0 and 7.5. Add compost or manure to the soil to improve its fertility and texture. Make sure the soil is well-draining, as water spinach does not like to be in standing water.
  3. Plant the Seeds: Water spinach can be grown from seeds or cuttings. If you are starting from seeds, plant them ½ inch deep and 2 inches apart. Water the soil well and keep it moist until the seeds germinate, which usually takes 5-7 days. Once the seedlings are 3-4 inches tall, thin them to 6-8 inches apart.
  4. Provide Support: Water spinach can grow up to 6 feet tall, so it needs support to prevent it from falling over. You can use stakes, trellises, or cages to support the plants.
  5. Water and Fertilize: Water spinach needs consistent moisture, so water it regularly. You can also fertilize it every 2-3 weeks with a balanced fertilizer to promote healthy growth and a bountiful harvest.

Tips for a Successful Water Spinach Harvest

  • Harvest the leaves and tender stems when they are 4-6 inches long.
  • Regularly harvest the leaves to encourage new growth and prevent the plant from becoming too woody.
  • Store harvested water spinach in the refrigerator in a plastic bag for up to 3 days.
  • Water spinach is a fast-growing plant, so be prepared to harvest often and share with friends and family.


Water spinach is a nutritious and refreshing vegetable that can be a great addition to your home garden. With our step-by-step guide and tips, you can easily plant and harvest this delicious vegetable. Try it in your next stir-fry or salad, and enjoy the taste of your homegrown produce.