Notes on Companion Planting and Natural Pest Control

Introduction

• Companion planting can aid in natural pest control through various methods including scents, attracting beneficial predators, and trap cropping.

Methods of Pest Control

Scent Deterrents

• Certain plants release essential oils and smells that deter pests.
• Examples:
  • Marigolds:
    • Releases essential oils that deter aphids, whiteflies, and more.
    • Contains thiophene that deters predatory nematodes.
  • Basil:
    • Has strong aroma that repels various pests.
  • Lemongrass, Mint, Rosemary, and Garlic:
    • Culinary and medicinal herbs that also help repel pests.
• Citronella Plant:
  • Common in gardens; deters mosquitoes and gnats.

Trap Cropping

• Nasturtiums:
  • Effective for trapping pests away from main crops like tomatoes and cabbages.
  • Entire plant is edible (leaves, stems, flowers) and adds beauty as ground cover.

Integrative Pest Management (IPM)

• Use of essential oils as sprays:
  • Peppermint:
    • Can be mixed with water for an effective pest deterrent.
  • Other oils:
    • Oregano, Rosemary, Cloves, Cinnamon
    • Often found in organic pest control products.

Additional Benefits of Companion Plants

• Multiple uses: serve as ground covers, pest deterrents, or can be used in cooking.
• Natural options present in gardens enhance pest control efforts.

Conclusion

• Companion planting not only contributes to pest management but also enhances the garden's utility and beauty.

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