Companion Planting Guide
Discover which plants grow well together and which combinations to avoid for a more productive garden.
What is Companion Planting?
Companion planting is the practice of growing certain plants together for mutual benefit. Some plants help repel pests, others fix nitrogen in the soil, and some can improve flavor or growth rates of their companions.
This ancient technique has been used for centuries to maximize garden yields naturally without relying on synthetic pesticides or fertilizers.
Proven Companion Planting Combinations
The Three Sisters
A classic Native American planting technique
Plants:
Benefits:
Corn provides support for beans, beans fix nitrogen for all three, squash shades weeds.
Tomato Companions
Plants that help tomatoes thrive
Plants:
Benefits:
Basil repels aphids and tomato hornworms. Marigolds deter many garden pests.
Cabbage Family
Best companions for brassicas
Plants:
Benefits:
Celery repels cabbage butterflies. Onions deter aphids and other pests.
Root Vegetable Pairings
Great combinations for underground crops
Plants:
Benefits:
Onions repel carrot flies. Lettuce shades roots and conserves moisture.
Combinations to Avoid
These plant combinations can stunt growth, reduce yields, or attract pests:
Both are heavy feeders compete for nutrients
Onions stunt bean growth
Both susceptible to the same pests
Competition for space and nutrients
Fennel inhibits growth of many plants
Companion Planting Tips
Plan Ahead
Consider plant heights, root depths, and nutrient needs when planning your garden layout.
Rotate Crops
Avoid planting the same families in the same spot year after year to prevent disease buildup.
Include Flowers
Marigolds, nasturtiums, and sunflowers attract beneficial insects and repel pests.
Start Your Companion Garden
Browse our vegetable database to find perfect companions for your favorite plants.
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