| Plant |
Companions and Effects |
| Asparagus |
Tomatoes, parsley, basil |
| Basil |
Tomatoes (improves growth and flavor); repels
flies and mosquitoes. |
| Beans |
Potatoes, carrots, cucumbers, cauliflower, cabbage, summer savory, most other vegetables and herbs. Adds nitrogen to soil. |
| Beans(bush) |
Sunflowers (beans like partial shade, sunflowers attract birds and bees), cucumbers (combination of heavy and light feeders), potatoes, corn, celery, summer savory. |
| Beets |
Onions, kohlrabi. |
| Borage |
Tomatoes (attracts bees, deters tomato worm, improves growth and flavor), squash, strawberries. |
| Cabbage family |
Potatoes, celery, dill, chamomile, sage, thyme, mint, pennyroyal, rosemary, lavender, beets, onions. Aromatic plants deter cabbage worms. |
| Carrots |
Peas, lettuce, chives, onions, leeks, rosemary, sage, tomatoes. |
| Catnip |
Plant in borders; protects against flea beetles. |
| Celery |
Leeks, tomatoes, bush beans, cauliflower, cabbage. |
| Chamomile |
Cabbage, onions. |
| Chervil |
Radishes (improves growth and flavor). |
| Chives |
Carrots; plant around base of fruit trees to discourage insects from climbing trunk. |
| Corn |
Potatoes, peas, beans, cucumbers, pumpkin, squash. |
| Cucumbers |
Beans, corn, peas, radishes, sunflowers. |
| Dill |
Cabbage (improves growth and health), carrots. |
| Eggplant |
Beans |
| Fennel |
Most plants dislike it. |
| Flax |
Carrots, potatoes. |
| Garlic |
Roses and raspberries (deters Japanese beetle); with herbs to enhance their production of essential oils; plant liberally throughout garden to deter pests (ex: near legumes). |
| Horseradish |
Potatoes (deters potato beetle); around plum trees to discourage curculios. |
| Lamb's quarters |
Nutritious edible weed; allow to grow in modest
amounts in the corn. |
| Leek |
Onions, celery, carrots. |
| Lettuce |
Carrots and radishes (lettuce, carrots, and radishes make a strong companion team), strawberries, cucumbers. |
| Marigolds |
The workhorse of pest deterrents. Keep soil free of nematodes; discourages many insects. Plant freely throughout garden. |
| Marjoram |
Here and there in garden. |
| Mint |
Cabbage family; tomatoes; deters cabbage moth.
House fly repellent. |
| Mole plant |
Deters moles and mice if planted here and there
throughout the garden. |
| Nasturtium |
Tomatoes, radishes, cabbage,, cucumbers, plant under fruit trees. Deters aphids and pest of cucurbits. |
| Onion |
Beets, strawberries, tomatoes, lettuce (protects
against slugs). |
| Parsley |
Tomato, asparagus. |
| Peas |
Squash (when squash follows peas up trellis).
plus grows well with almost any vegetable; adds
nitrogen to the soil. |
| Petunia |
Protects beans; beneficial throughout garden. |
| Pigweed |
Brings nutrients to topsoil; beneficial growing with potatoes, onions, and corn; keep well thinned. |
| Potato |
Horseradish, beans, corn, cabbage, marigold, limas, eggplant (as trap crop for potato beetle). |
| Pot marigold |
Helps tomato, but plant throughout garden as
deterrent to asparagus beetle, tomato worm, and
many other garden pests. |
| Pumpkin |
Corn |
| Radish |
Peas, nasturtium, lettuce, cucumbers; a general
aid in repelling insects. |
| Rosemary |
Carrots, beans, cabbage, sage; deters cabbage
moth, bean beetles, and carrot fly. |
| Rue |
Roses and raspberries; deters Japanese beetle.
Keep it away from basil. |
| Sage |
Rosemary, carrots, cabbage, peas, beans; deters some insects. Not with cucumbers. |
| Soybeans |
Grows with anything; helps everything. |
| Spinach |
Strawberries |
| Squash |
Nasturtium, corn. |
| Strawberries |
Bush beans, spinach, borage, lettuce-as a border. |
| Summer Savory |
Beans, onions, Deters bean beetles. |
| Sunflower |
Cucumbers |
| Tansy |
Plant under fruit trees; deters pests of roses and raspberries; deters flying insects; also Japanese beetles, striped cucumber beetles, squash bugs; deters ants. |
| Tarragon |
Good throughout garden. |
| Thyme |
Here and there in garden; deters cabbage worm. |
| Tomato |
Chives, onion, parsley, asparagus, marigold,
nasturtium, carrot, limas. |
| Turnip |
Peas |
| Valerian |
Good anywhere in garden. |
| Wormwood |
As a border, keeps animals from the garden. |
| Yarrow |
Plant along borders, near paths, near aromatic
herbs; enhances essential oil production of herbs. |