Pest & Disease Control (Organic)•May 25, 2026•1 min read

The Organic Companion Planting Chart for Home Vegetables

Pair complementary vegetables, aromatic herbs, and insectary flowers to boost yields, repel pests, and improve soil fertility naturally.

Johny Alex
Johny Alex•Founder & Head Grower

Field-tested vegetable growing specialist

Marigolds and basil interplanted beside tomato vines in raised bed

Interplanting aromatic sweet basil alongside tomatoes confuses pest moths, while French marigolds emit root exudates that deter soil-dwelling root-knot nematodes.

Classic Partnership: Tomatoes, Basil, and French Marigolds

Indigenous gardeners perfected companion planting centuries ago: tall sweet corn provides living trellises for pole beans, beans fix nitrogen for the heavy-feeding corn, and prickly squash leaves shade the soil to suppress weeds.

The "Three Sisters" Guild: Corn, Beans, and Winter Squash

Keep onions and garlic away from beans and peas (alliums inhibit legume nitrogen-fixing bacteria), and keep fennel away from almost everything as it inhibits neighboring growth.

Plant Combinations to Never Pair Together

Consistent execution and monitoring are the keys to a thriving crop. Ensure your soil stays evenly moist, inspect leaf undersides weekly for early pests, and harvest at morning peak crispness.

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Frequently Asked Questions

What flower is the best all-around companion plant?
Sweet Alyssum. Its honey-scented blooms attract hoverflies, whose larvae devour up to 50 aphids a day.
Johny Alex

Johny Alex

8+ Years in Small-Space & Raised Bed Food Growing

Founder & Head Gardener

I believe anyone with a square foot of sunlight can grow real, delicious food. Over 8 years ago, I started with two cracked terracotta pots on a drafty balcony and killed my first batch of tomatoes. Today, I grow over 40 varieties of heirloom vegetables, greens, and root crops using simple, organic methods that respect the soil and your time.

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