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Tomatoes & Marigolds

✓ Excellent Companions

✓ Why Tomatoes and Marigolds Work Well Together

✓Marigolds repel many tomato pests including whiteflies
✓Root exudates kill soil nematodes
✓Attract beneficial insects including hoverflies

🔬 How It Works (Science)

  • 1.Alpha-terthienyl compound toxic to nematodes
  • 2.Volatile terpenoids repel flying insects
  • 3.Bright flowers attract pollinators and beneficial predators

📋 Planting Tips

1Plant French marigolds (Tagetes patula) for nematode control
2Use throughout the garden, not just around tomatoes
3Leave in soil at end of season to decompose

📏 Recommended Spacing

Marigolds every 12-18" around tomato bed perimeter

📚 Sources & Research

  • •USDA nematode research
  • •IPM studies
  • •Proven companion planting research

Other Tomatoes Companions

Basil✓ GoodCarrots✓ GoodParsley✓ GoodAsparagus✓ Good

🌱 Explore More Companion Pairs

Corn + BeansCorn + SquashBeans + SquashTomatoes + BasilTomatoes + CarrotsTomatoes + MarigoldsTomatoes + ParsleyTomatoes + Asparagus

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