How to Plant Roma Tomatoes From Seeds

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Planting Instructions for Roma Tomato Seeds

  1. Location: Choose a sunny site with at least 6–8 hours of direct sunlight and well-drained, fertile soil.
  2. When to Plant:
    • Indoors: Start seeds 6–8 weeks before the last expected frost.
    • Outdoors: Transplant after all danger of frost has passed and the soil is consistently above 60°F.
  3. Soil Prep: Loosen soil and enrich with compost or aged manure. Ideal soil pH is 6.0–6.8.
  4. Sowing Depth: Sow Todd’s Seeds Roma Tomato seeds 1/4 inch deep in seed-starting mix.
  5. Spacing: Transplant seedlings 18–24 inches apart in rows 3–4 feet apart.
  6. Watering: Keep soil evenly moist during germination (5–10 days). Water deeply at the base of the plant and avoid overhead watering.
  7. Support: Although Roma is a determinate variety (bushy and compact), staking or small cages can help keep fruit off the ground and improve airflow.
  8. Care:
    • Mulch to retain moisture and suppress weeds.
    • Fertilize every 3–4 weeks with a balanced fertilizer or one higher in phosphorus once flowering begins.
  9. Harvest: Pick Roma tomatoes when they are fully red and slightly firm, typically 75–85 days from transplant. Ideal for sauces, pastes, and canning due to their dense, low-moisture flesh.
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