Here's a list of the Top 10 popular vegetables along with their companion plants to help boost growth, improve pest control, and enhance overall garden health:

1. Tomatoes
  Best Companions:
  - Basil: Enhances flavour and deters pests like aphids and mosquitoes.
  - Garlic: Helps repel aphids, spider mites, and whiteflies.
  - Marigolds: Act as a natural pest deterrent for aphids and nematodes.
  
  **Avoid:** Potatoes (can spread blight), carrots (compete for nutrients).

 2. Carrots
  Best Companions:
  - Onions: Help deter carrot flies.
  - Leeks: Natural repellent for pests like aphids and carrot flies.
  - Radishes: Deter pests like the root fly and also break up soil.

  **Avoid:** Dill (can stunt carrot growth), parsnips (can attract pests).

 3. Lettuce
  Best Companions:
  - Radishes: Break up soil and deter pests that harm lettuce.
  - Carrots: Don't compete with lettuce for nutrients.
  - Marigolds: Repel aphids and other pests that may damage lettuce.

  **Avoid:** Celery (can compete for space), broccoli (can shade out lettuce).

 4. Beans
  Best Companions:
  - Corn: Corn provides natural support for bean vines to climb.
  - Squash: Squash provides ground cover that suppresses weeds and conserves moisture.
  - Carrots: Beans help fix nitrogen, enriching the soil for carrots.

  **Avoid:** Onions, garlic (can stunt growth).

 5. Cucumbers
  Best Companions:
  - Radishes: Deter cucumber beetles and help aerate the soil.
  - Corn: Provide shade and act as natural supports for cucumber vines.
  - Nasturtiums: Act as a trap crop for aphids, whiteflies, and cucumber beetles.

  **Avoid:** Aromatic herbs like sage and rosemary (may stunt cucumber growth).

 6. Spinach
  Best Companions:
  - Strawberries: Spinach benefits from the ground cover that strawberries provide.
  - Radishes: Help to break up soil and deter pests.
  - Peas: Provide nitrogen to enrich the soil for spinach.

  **Avoid:** Potatoes (can compete for nutrients and space).

 7. Peppers (Sweet & Hot)
  Best Companions:
  - Basil: Repels aphids and improves the flavor of peppers.
  - Onions: Help deter aphids and other pests.
  - Marigolds: Help keep pests like nematodes away.

  **Avoid:** Fennel (can stunt growth), beans (can overcrowd and compete).

 8. Zucchini
  Best Companions:
  - Corn: Offers shade and provides vertical space for zucchini to sprawl.
  - Radishes: Deter squash bugs and provide ground cover.
  - Beans: Beans provide nitrogen, benefiting zucchini's growth.

  **Avoid:** Potatoes (can spread blight), cabbage (competes for space).

 9. Broccoli
  Best Companions:
  - Dill: Attracts beneficial insects like ladybugs and parasitic wasps, which help control pests.
  - Onions: Help deter aphids and other pests.
  - Herbs like rosemary and sage: Keep cabbage worms away.

  **Avoid:** Beans (compete for space and nutrients), strawberries (can stunt broccoli growth).

 10. Radishes
  Best Companions:
  - Carrots: Radishes can help break up soil and improve aeration for carrots.
  - Lettuce: Radishes help loosen soil for lettuce, and their early harvest prevents shading lettuce.
  - Cucumbers: Help deter cucumber beetles.

  **Avoid:** Hyssop (can stunt growth), melons (competition for space).

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By pairing the right plants together, you can create a harmonious garden that supports healthy growth and reduces the need for chemical pesticides. Companion planting is all about understanding how plants interact with each other—whether it's through providing nutrients, shading, pest control, or attracting pollinators.