Companion planting is the practice of planting symbiotic plants (those that benefit each other) together to foster symbiotic relationships between them. Companion plants can help spur each other’s growth, deter pest, attract beneficial insects and organisms and increase yields.
You can use the below companion planting list to find out which plants go well together and which don’t.
UNDER CONSTRUCTION
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Basil
Plant near: most garden crops
Keep away from: rue
Basil enhances the flavour and growth of most garden crops. Basil also repels mosquitoes.
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Beans (bush)
Plant near: beets, cabbage, carrots, catnip, cauliflower, corn, cucumbers, marigolds, potatoes, savory, strawberries
Keep away from: fennel, garlic, leeks, onions, shallots
Potatoes and marigolds repel Mexican bean beetles. Catnip repels flea beetles.
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Beans (pole)
Plant near: corn, marigolds, potatoes, radishes
Keep away from: beets, garlic, kohlrabi, leeks, onions, shallots
same as for bush beans.
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Beets
Plant near: broccoli, brussels sprouts, bush beans, cabbage, cauliflower, chard, kohlrabi, onions
Keep away from: charlock, field mustard, pole beans
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Borage
Plant near: squash, strawberries, tomatoes
Repels tomato worms. Improves flavor and growth of companions.
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Broccoli
Plant near: beets, buckwheat, calendula, carrots, chamomile, dill, hyssop, marigolds, mints, nasturtiums, onions, rosemary, sage, thyme, wormwood.
Keep away from: strawberries
Marigolds repel cabbage moths. Nasturtiums repel aphids.
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Cabbage & Cauliflower
Plant near: broccoli, brussels sprouts, celery, chard, spinach, tomatoes.
Keep away from: strawberries
tomatoes and celery repel cabbage worms.
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Carrots
Plant near: cabbage, chives, early potatoes, leeks, lettuce, onions, peas, radishes, rosemary, sage, salsify, wormwood.
Onions, leeks, and wormwood repel carrot flies.
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Chives
Plant near: apples, berries, carrots, grapes, peas, roses, tomatoes.
Improves flavor and growth of companions. Deters aphids and Japanese beetles.
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Corn
Plant near: beans, cucumbers, early potatoes, melons, peas, pumpkins, soybeans, squash.
Soybeans deter chinch bugs.
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Cucumbers
Plant near: beans, cabbage, corn, early potatoes, radishes, sunflowers.
Keep away from: late potatoes
Radishes deter cucumber beetles. Cucumbers encourage blight in late potatoes.
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Dill
Plant near: broccoli, brussels sprouts, cabbage, cauliflower, cucumber, lettuce, onions
Keep away from: carrots
Improves flavor and growth of cabbage family plants.
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Eggplant (Aubergine)
Plant near: green beans, peppers, potatoes, tomatoes
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Estragon (Tarragon)
Plant near: all garden crops
improves vegetables' flavor and growth.
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Garlic
Plant near: most garden crops, especially lettuce, cabbage, cane fruits, fruit trees, roses, tomatoes.
Keep away from: legumes, beans, peas, potatoes.
garlic's natural fungicidal and antifungal properties help deterring aphids from lettuce and many common pests from cabbage.
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Marijuana (Cannabis)
Plant near: mints, cabbages, onions, geraniums, marigolds, dill, yarrow, borage, chamomile, tansy, basil, garlic, ginger
Strong-smelling plants like onions repel beetles and aphids. Geraniums, marigolds, and dill keep away insects and pests. Tansy is a good all-round bitter Insect repellent as it concentrates potassium in the soil, thus benefitting any plants nearby.
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Swiss Chard
Plant near: bush beans, kohlrabi, onions
Keep away from: pole beans
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Thyme
Plant near: all garden crops
deters cabbage moths.
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Tomatoes
Plant near: asparagus, basil, cabbage, carrots, gooseberries, mustard, parsley, onions, rosemary, sage, stinging nettles
Keep away from: fennel, kohlrabi, potatoes, walnuts
basil enhances the flavour of tomatoes.