Companion planting charts are called "voodoo"' by some and "essential" by others. Regardless of which side you're on, there are two undeniable facts supporting them: (1) symbiotic relationships exist for all life forms, including plants and (2) if nothing else, practicing companion planting won't hurt your garden...
Symbiotic relationships occur when separate life forms interact with each other and either one or both species benefit in some way. Sometimes the relationship helps both parties (mutualism), sometimes it helps one and hurts the other (parasitism) and sometimes it helps one and the other is unaffected (commensalism).
Symbiosis occurs for virtually every living thing at one time or another. Consider some examples from the animal kingdom...
Similarly, symbiosis occurs everywhere in the plant world, including your garden. For instance...
And on a less scientific level...
Long story short, companion planting charts make sense on some level. The question comes down to exactly which plants benefit one another and which plants hurt one another...
The following companion planting list will give you a generally accepted answer to that question, but it is far from gospel. There are countless factors that differ from region to region and from garden to garden.
Use this page as a starting point, then make your own observations and adjust accordingly.
|Crop||Companion Plants||Plants to Avoid|
|Asparagus||Basil, carrots, parsley, tomato||Chive, garlic, leek, onion|
|Basil||Peppers, tomato, marigold||None|
|Beans, Bush||Beet, cabbage, carrot, cauliflower, celery, chard, corn, cucumber, eggplant, leek, lettuce, marigold, parsnip, peas, potato, radish, rosemary, strawberry, sunflower||Basil, fennel, kohlrabi, onions|
|Beans, Pole||Carrots, cauliflower, chard, corn, cucumber, eggplant, lettuce, marigold, peas, potato, radish, rosemary, strawberry||Basil, beets, cabbage, fennel, kohlrabi, onions, radish, sunflower|
|Beets||Bush beans, cabbage, corn, leek, lettuce, lima bean, onion, radish||Pole beans|
|Blueberries||Plant near other ericaceous plants such as pines and oaks||None|
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|Broccoli||Basil, beet, bush beans, carrot, celery, chard, cucumber, dill, garlic, kale, lettuce, marigold, mint, onion, oregano, potato, rosemary, sage, spinach, thyme, tomato||Lima beans, pole beans, snap beans, strawberry|
|Brussels sprouts||Beet, bush beans, carrots, celery, cucumber, lettuce, onion, pea, potato, radish, spinach, tomato||Kohlrabi, pole beans, strawberry|
|Cabbage||Beet, bush beans, carrot, celery, cucumber, dill, kale, lettuce, mint, onion, potato, rosemary, sage, spinach, thyme, tomato||Pole beans, strawberry|
|Carrot||Beans, Brussels sprouts, cabbage, chive, lettuce, leek, onion, peas, peppers, radish, rosemary, sage, tomato||Celery, dill, parsnip|
|Cauliflower||Beet, bush beans, carrots, celery, cucumber, dill, kale, lettuce, mint, onion, potato, rosemary, sage, spinach, tomato||Pole beans, strawberry|
|Celery||Bush beans, cabbage, cauliflower, leek, pea, spinach, tomato||Carrot, parsley, parsnip|
|Corn||Beet, Bush beans, cabbage, cantaloupe, cucumber, dill, melons, parsley, peas, pumpkin, squash, sunflower||Tomato|
|Cucumber||Bush beans, cabbage, carrots, corn, dill, eggplant, lettuce, marigold, peas, radish, sunflower, tomato||Potato, sage|
|Eggplant||Bush beans, garlic, marigold, peas, pepper, potato, spinach, tarragon, thyme||None|
|Fennel||Dill||This plant should be kept separate from most others|
|Grapes||Chives, clover, hyssop, mustards||None|
|Hops||None (hops tend to crowd out other plants)|
|Kale Plant||Bush beans, beet, cabbage, celery, cucumber, lettuce, onion, potato, spinach, tomato||Pole beans|
|Kiwi Fruit||Grapefruit, blueberry, grapes, raspberries, marjoram, catnip, lemon balm, geranium, currants, lavendar, geranium||None|
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|Kohlrabi||Bush beans, beet, celery, cucumber, lettuce, onion, potato, tomato||Pole beans, peppers|
|Leeks||Bush beans, beet, carrot, celery, garlic, onion, parsley, tomato||Legumes|
|Lettuce||Grows well with just about anything. Particularly fond of beans, carrots, cucumbers, garlic, onions and radishes.||None|
|Lima beans||Beet, radish||None|
|Okra||Basil, cucumbers, melons, black-eyed peas||None|
|Onions||Beet, broccoli, Brussels sprouts, cabbage, carrot, cauliflower, celery, chamomile, cucumber, dill, kale, kohlrabi, leek, lettuce, parsnip, peppers, potato, spinach, squash, strawberry, tomato, turnip||Asparagus, beans, peas, sage|
|Parsley||Asparagus, corn, tomato||None|
|Parsnips||Bush beans, garlic, onion, peas, peppers, potato, radish||Carrot, celery|
|Peas||Beans, carrots, celery, corn, cucumber, eggplant, parsley, radish, spinach, strawberry, peppers, turnip||Onions, potato|
|Peppers||Carrot, eggplant, onion, parsnip, peas, tomato||Fennel, kohlrabi|
|Potato||Bush beans, cabbage, corn, eggplant, horseradish, parsnip, peas||Cucumber, fennel, kohlrabi, pumpkin, raspberry, rutabaga, squash, sunflower, tomato, turnip|
|Pumpkin||Celery, corn, dill, eggplant, melons, onions, peas, radish, strawberry||Potato|
|Radish||Beans, beets, cabbage, carrots, corn, cucumber, lettuce, melons, parsnip, peas, spinach, squash, sweet potato, tomato||None|
|Raspberries||Rue||Wild raspberries, blackberries|
|Rice||Azolla (a.k.a. mosquito fern)||Wheat|
|Rosemary||Beans, cabbage, carrots, sage||None|
|Sage||Cabbage, carrots, rosemary, tomatoes||Cucumbers|
|Soybeans||Potatoes, cucumbers, corn, strawberries, celery, summer savory||Onion, garlic|
|Spinach||Cabbage, celery, corn, legumes, lettuce, onion, peas, radish, strawberry||Potato|
|Squash||Celery, corn, dill, eggplant, melons, onions, peas, radish, strawberry||Potato|
|Strawberry||Beans, lettuce, onions, peas, spinach||Cabbage|
|Swiss Chard||Beans, cabbage, onions||Corn, cucumbers, melons, potatoes, and all herbs|
|Tomato||Asparagus, basil, bush beans, cabbage, carrots, celery, chive, cucumber, garlic, lettuce, marigold, mint, onion, parsley, pepper||Corn, pole beans, dill, fennel, potato|
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|*Effectivenss of companion planting charts may vary|
Let us know what's worked in your garden, including...
- What crops do you keep together?
- Which do you separate?
- What is your reasoning?
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