How to Grow Tomatoes Successfully

Growing great tomatoes requires choosing the right varieties for your climate, providing 6-8 hours of daily sunlight, maintaining consistent watering, and supporting plants with stakes or cages.

  1. Pick Your Perfect Tomato. Select varieties suited to your growing season and space. Determinate varieties like Roma or Celebrity grow compact and produce fruit all at once, perfect for small gardens or containers. Indeterminate varieties like Cherokee Purple or Brandywine grow tall and produce continuously but need more space and support. Check your last frost date and choose varieties that mature within your growing season.
  2. Soil First, Everything Else Second. Pick a spot with 6-8 hours of direct sunlight and good drainage. Work compost or aged manure into the soil to improve drainage and fertility. Tomatoes prefer slightly acidic soil with a pH between 6.0-6.8. If planting in containers, use pots at least 18 inches wide and deep with drainage holes.
  3. Strong Starts Make Strong Plants. Start seeds indoors 6-8 weeks before your last frost date, or buy healthy transplants from a nursery. Look for stocky, dark green plants without flowers or fruit. Avoid leggy, pale, or stressed-looking plants. If starting from seed, keep soil temperature around 70-75°F for best germination.
  4. Timing Is Everything. Wait until soil temperature reaches 60°F and nighttime temperatures stay above 50°F. Dig holes slightly deeper than the root ball and space plants 18-24 inches apart for determinates, 24-36 inches for indeterminates. Bury two-thirds of the stem to encourage strong root development. Plant in the evening or on a cloudy day to reduce transplant shock.
  5. Build Your Support Structure. Set up stakes, cages, or trellises at planting time to avoid disturbing roots later. Use 6-8 foot stakes for indeterminates, 4-5 feet for determinates. Place stakes 4-6 inches from the plant base and drive them 12 inches deep. For cages, choose heavy-duty wire cages at least 5 feet tall for indeterminate varieties.
  6. Hydrate Deeply, Keep Leaves Dry. Provide 1-2 inches of water weekly, soaking the soil 6-8 inches deep. Water at soil level to keep leaves dry and prevent disease. Use soaker hoses or drip irrigation for best results. Maintain consistent moisture to prevent blossom end rot and fruit cracking. Mulch around plants with 2-3 inches of organic material to retain moisture.
  7. Nourish the Whole Season. Apply a balanced fertilizer when planting, then switch to a lower-nitrogen, higher-potassium fertilizer once flowering begins. Feed every 2-3 weeks or use slow-release fertilizer at planting. Watch for yellowing lower leaves, which indicates nitrogen deficiency, or excessive leafy growth, which means too much nitrogen.
  8. Less Foliage, More Fruit. Remove suckers that grow between the main stem and branches on indeterminate varieties. Pinch them off when they're 2-4 inches long. Remove lower leaves that touch the ground and any diseased foliage immediately. Top indeterminate plants 4-6 weeks before first frost to focus energy on ripening existing fruit.