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Vegetable
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Companions
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Antagonists
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Insight
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| Asparagus | Carrot, Tomato, Basil, Coriander, Dill, Parsley, Marigold | Garlic, Potato, Onion | Marigolds, Parsley, Tomato protect from asparagus beetles |
| Beans | Broccoli, Brussels Sprouts, Cabbage, Carrots,
Cauliflower, Cucumber, Celery, Chard, Corn, Eggplant, Kale, Peas,
Potatoes, Radishes, Strawberries | Beets (Pole Beans only), Chives, Fennel, Garlic, Leek, Onion, Shallots, Sunflowers | Corn is a natural trellis, and provides shelter for beans. Beans provide nitrogen to soil. |
| Beets | Allium
family (Chives, Garlic, Leeks, Onions), Brassicas family (Broccoli,
Brussel Sprouts, Cabbage, Cauliflower, Kohlrabi), Lettuce, Radishes,
Spinach | Beans (Pole and Runner Beans), Tomatoes | The beans and beets compete for growth. Composted beet leaves add magnesium to soil when mixed. |
| Broccoli | Beet,
Bush Beans, Carrot, Celery, Cucumber, Garlic, Lettuce, Onion, Radish,
Spinach, Swiss Chard, Basil, Chamomile, Dill, Mint, Rosemary, Sage,
Thyme, Marigold, Nasturtium | Asparagus, Climbing Beans, Mustard, Peppers, Pumpkin, Sweet Corn, Cantaloupe, Strawberry, Watermelon | Rosemary repels cabbage fly. Dill attracts wasps for pest control. |
| Brussels Sprouts | Beets, Carrots, Garlic, Onion, Basil, Dill, Thyme, Mint, Nasturtium, Marigold | Strawberry, Tomato | -- |
| Cabbage | Beets, Bush Beans, Celery, Onion, Potato, Chamomile, Dill, Mint, Oregano, Rosemary, Sage, Spearmint, Nasturtium, Marigold | Beans (Pole and Runner), Eggplant, Mustard, Pepper, Tomato, Strawberry | Celery, onion and herbs keep pests away. Rosemary repels cabbage fly. |
| Carrots | Beans (Bush and Pole), Chives, Garlic, Leek, Lettuce, Onion, Tomato, Parsley, Rosemary | Parsnip, Coriander, Dill | Beans provide nitrogen in soil which carrots need. Onion, parsely and rosemary repel the carrot fly |
| Cauliflower | Beans, Celery, Peas, Spinach, Tomato, Chamomile, Oregano, Rosemary, Sage, Sunflower | Rue, Strawberries | Beans provide the soil with nitrogen, which cauliflower needs. |
| Celery | Bush Beans, Cabbage (brassicas), Cucumber, Leek,
Spinach, Tomato, Dill, Marjoram, Cosmos, Daisies, Marigolds,
Nasturtiums, Snapdragons | Carrots, Corn, Potato, Aster | Corn and asters transmit Aster Yellows; a disease with symptoms of yellowing leaves while veins remain green. |
| Chives | Basil, Carrots, Marigold, Parsley, Parsnip, Strawberries, Tomato | Beans | -- |
| Corn | Beans (climbing), Cucumber, Peas, Pumpkin, Squash, Zucchini, Marjoram, Sunflower | Tomato | Tomato worm and corn earworm like both plants. Beans and peas supply nitrogen. |
| Cucumber | Beans, Celery, Corn, Lettuce, Peas, Radish, Dill, Marigold, Nasturtium | Potato, Tomato, Sage, Strong Aromatic Herbs (except dill) | Cucumbers grow poorly around potatoes and sage. |
| Dill | Cabbage, Corn, Cucumbers, Dill, Fennel, Lettuce, Onions | Cilantro, Tomato | Cross-pollinates with cilantro, ruining both. One only a few plants that grows well with Fennel. |
| Eggplant | Beans, Marjoram, Pepper, Potato | -- | -- |
| Kohlrabi | Beets, Cucumber, Lettuce, Onions, Thyme, Nasturtium | Pepper, Pole Beans, Tomato, Strawberries | Lettuce repels earth flies. |
| Leek | Carrots, Celery, Lettuce, Onions | Beans, Peas | Companion attributes are the same as garlic, onion, chives (alliums). |
| Lettuce | Beans, Beets, Broccoli, Carrots, Corn, Onions, Peas, Radish, Mint, Strawberries, Marigold | Parsley | Mints repel slugs (which feed on lettuce). |
| Marigold | Brassicas (broccoli, etc), Cucurbits (cucumber, etc), Peppers, Tomato, and most other plants | -- | It
is said that you can plant Marigolds throughout the garden, as they
repel insects and root-attacking nematodes (worm-like organisms). Be
aware they may bother allergy sufferers. |
| Onion | Beets, Cabbage, Carrots, Lettuce, Parsnips, Tomato, Chamomile, Marjoram, Rosemary, Savory, Strawberry | Asparagus, Beans, Peas | Repels aphids, the carrot fly, and other pests. |
| Parsley | Asparagus, Beans, Radish, Rosemary, Tomato | Lettuce | Draws insects away from tomatoes. |
| Peas | Beans, Brussels Sprouts, Cabbage, Carrots, Cauliflower, Celery, Corn, Cucumbers, Lettuce, Potatoes, Radishes, Squash, Sage | Alliums (Chives, Garlic, Onion, Shallots) | -- |
| Potato | Beans, Celery, Corn, Garlic, Horseradish, Lettuce, Onions, Peas, Spinach, Radishes, Basil, Marigolds | Asparagus,
Brassicas (Broccoli, Brussels Sprouts, Cabbage, Cauliflower, Kohlrabi),
Carrots, Cucumbers, Eggplant, Melons, Peppers, Squash, Tomatoes,
Raspberries, Strawberries, Sunflower | Cucumber, tomato and raspberry attract harmful pests to potatoes. Horseradish increases disease resistance. |
| Pumpkin | Beans, Corn, Squash, Marigold, Nasturtium | Potato | -- |
| Radish | Allium family (Chives, Garlic, Leek, Onion), Beets, Cabbage, Carrots, Cucumber, Kale, Lettuce, Spinach, Squash | Hyssop (the Herb) | Radish is often used as a trap crop against some beetles(flea and cucumber). |
| Sage | Beans, Cabbage, Carrots, Peas, Rosemary, Strawberries | -- | Repels cabbage fly, some bean parasites. |
| Spinach | Beans,
Brassicas family (Broccoli, Brussels Sprouts, Cabbage, Cauliflower,
Kohlrabi), Celery, Eggplant, Leeks, Lettuce, Melons, Peas, Potatoes,
Radishes, Tomatoes, Nasturtium, Strawberries | -- | Natural shade is provided by beans and peas, for spinach. |
| Squash | Beans, Corn, Peas, Radish (White Icicle), Borage, Dill, Marigolds, Nasturtium, Strawberries, Sunflower | Potato | Similar companion traits to pumpkin. |
| Strawberries | Bush Beans, Chives, Lettuce, Onions, Spinach, Squash, Borage, Caraway, Sage | Cabbage Family, and plants susceptible to Verticillium (ie. Eggplant, Potato, Tomato, Peppers) | The herb, Borage, is likely the strongest companion. |
| Tomatoes | Asparagus, Carrots, Celery, Chives, Garlic, Lettuce, Spinach, Onion, Basil, Borage, Parsley, Marigolds | Brassicas
(Broccoli, Brussels Sprouts, Cabbage, Cauliflower, Kohlrabi), Beets,
Corn, Fennel, Peas, Potatoes, Dill, Rosemary, Walnut trees | Growing basil about 10 inches from tomatoes increases the yield of the tomato plants. |
| Turnip | Peas | -- | -- |
| Zucchini | FBeans, Corn, Garlic, Peas, Radishes, Spinach, Borage, Dill, Oregano, Marigolds, Nasturtium | Potato, seed saving consideration with squash and pumpkin | -- |