Companion Planting Guide

Hands holding vegetables

When planning your vegetable garden, it is beneficial to learn the principles of companion planting to help you design a successful garden.

What is Companion Planting?

Companion plants are neighboring plants that will provide each other with additional beneficial nutrients and can provide an easy pest management strategy to help your garden flourish. Be careful, however, as some neighboring plants can have the opposite effect on each other. Before you start planting your garden, it is important to learn what plants should and should not be neighbors in your vegetable garden.

Companion Planting Favorites

A field of orange marigolds

Two plants all vegetable gardens can benefit from are Nasturtium and Marigold. Marigold flowers are known to not only help vegetables flourish, but their strong scented flowers repel insects and their roots prevent weeds from growing. In southern climates, they help kill harmful parasitic worms that are known to destroy vegetable plants and ornamentals.

Nasturtium blooms, like marigolds, attract pollinators to the garden but the flowers are also edible. Their best function, however, is as a trap crop. Aphids can’t resist them!  Nasturtiums planted on the perimeter of the garden will attract aphids and whiteflies away from your vegetable plants.

Peas and beans are good companions for almost any vegetable garden as they provide the soil with nitrogen for neighboring plants to use.

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Companion Planting Chart

PlantsPlant CompanionsPlant Enemies
Asparagus Basil, Cilantro, Parsley, Tomato Alliums (Onion Family)
Bean, BushBeet, Cabbage, Carrot, Celery, Chard, Cucumber, Pea, Potato, Radish Garlic, Leek, Onion
Bean, PoleCorn, Potato, Radish Beet, Garlic, Kohlrabi, Onion, Sunflowers
BeetBush Bean, Cabbage, Lettuce, Onion Field Mustard, Pole Bean
BroccoliBeet, Celery, Chard, Cucumber, Lettuce, Onions, Potato, Spinach Dill, Pole Bean, Strawberry, Tomato
CabbageBeet, Celery, Chard, Cucumber, Lettuce, Onions, Potato, Spinach Strawberry
CarrotBean, Leek, Lettuce, Onion, Pea, Pepper, Tomato Dill
Cauliflower Alfalfa, Beets, Celery, Chard, Herbs, Onions, SpinachDill, Pole Bean, Strawberry, Tomato
CornBean, Cucumber, Parsley, Pea, Potato, Squash Tomato
CucumberBean, Cabbage, Corn, Lettuce, Pea, Radish, Tomato Herbs, Potato
EggplantBean, Herbs, Pepper
GarlicCabbage, Fruit Trees, Roses, Tomato Bean, Pea
KaleBeet, Celery, Chard, Cucumber, Lettuce, Onion, Potato, Spinach Pole Bean, Strawberry, Tomato
Lettuce Beet, Carrot, Onion, Radish Cabbage family (Brassicas)
OnionBeet, Cabbage, Carrot, Lettuce, Pepper, Tomato Bean, Pea
Pea Bean, Carrot, Corn, Cucumber, Radish, Turnip Garlic, Onion
PepperCarrot, Eggplant, Onion, Tomato Fennel, Kohlrabi
PotatoBean, Cabbage, Corn, Eggplant, Pea Apple, Cherry, Cucumber, Pumpkin, Raspberry, Tomato
RadishBean, Carrot, Cucumber, Lettuce, Pea Hyssop, Potato
SpinachCabbage, Celery, StrawberryHyssop
SquashCorn, Melon, Pumpkin
Swiss ChardBean, Cabbage family, Chives, Onion, Tomato Corn, Cucumber, Herbs, Melon, Potato
TomatoAsparagus, Carrot, Celery, Cucumber, Onion, Pepper Corn, Dill, Kohlrabi, Potato
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Vegetable Garden Planner

If you would like to learn more about vegetable garden companions, visit our online vegetable garden planner. This unique online garden planning tool allows you to easily plan your garden design, provides planting instructions for each vegetable seed or vegetable plant, supplies you with each vegetable’s planting companions, and offers you planting reminders. Check out our online vegetable garden planner and get started on planning your vegetable garden.

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Other Recommended Reading

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