Growing tomatoes in plastic containers on a balcony can indeed be easy and productive if done correctly. Here’s a step-by-step guide to help you achieve a high yield of tomatoes in containers:

Materials Needed:

  1. Large Plastic Containers or Grow Bags: Choose containers that are at least 5 gallons in size and have drainage holes at the bottom.
  2. High-Quality Potting Mix: Use a well-draining potting mix enriched with organic matter.
  3. Tomato Seeds or Seedlings: You can start tomatoes from seeds indoors or purchase young seedlings from a nursery.
  4. Stakes or Cages: Provide support for the tomato plants to keep them upright as they grow and bear fruit.
  5. Fertilizer: Choose a balanced, water-soluble fertilizer suitable for vegetables.
  6. Mulch (Optional): Mulching helps retain soil moisture and regulate temperature.


  1. Choosing the Right Tomato Variety:
    • Select a tomato variety suitable for container gardening. Compact or determinate varieties often work well in confined spaces.
  2. Selecting Containers:
    • Use large plastic containers with drainage holes. Ensure the containers are deep enough to accommodate the tomato’s root system.
  3. Preparing the Containers:
    • Fill the containers with the potting mix, leaving about an inch from the top. This allows space for watering.
  4. Planting Tomatoes:
    • Plant tomato seeds or seedlings in the containers according to the recommended spacing for the chosen variety.
  5. Providing Support:
    • Place stakes or cages in the containers at the time of planting or shortly afterward. This helps support the tomato plants as they grow and bear fruit.
  6. Sunlight:
    • Position the containers in a location that receives at least 6-8 hours of direct sunlight each day. Tomatoes thrive in full sunlight.
  7. Watering:
    • Keep the soil consistently moist. Water the plants deeply when the top inch of soil feels dry. Avoid waterlogged conditions.
  8. Fertilizing:
    • Fertilize the tomato plants regularly with a balanced fertilizer. Follow the package instructions for application rates.
  9. Pruning (Optional):
    • Depending on the tomato variety, you may want to prune the plants to encourage better air circulation and focus energy on fruit production. Remove suckers as needed.
  10. Mulching (Optional):
    • Apply a layer of mulch around the base of the plants to help retain soil moisture and regulate temperature.
  11. Pest and Disease Management:
    • Monitor the plants for common pests like aphids or hornworms. Use organic or chemical controls as needed. Good air circulation helps prevent diseases.
  12. Harvesting:
    • Harvest tomatoes when they reach the desired size and color. Use a sharp knife or pruning shears to cut the tomatoes from the plant.
  13. Overwintering (Optional):
    • In colder climates, you may consider bringing the containers indoors before the first frost. Prune the plants back and place them in a sunny location.

By following these steps, you can successfully grow tomatoes in plastic containers on your balcony and enjoy a high yield of fresh, homegrown tomatoes. Adjust the guidelines based on the specific tomato variety and conditions on your balcony. Happy gardening!