Companion Planting Charts

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 in Nature Support the Use of Companion Planting Charts

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...

  • Oxpeckers ride the back of rhinos and eat parasites (mutualism)
  • Mosquitoes suck the blood of mammals (parasitism)
  • Clownfish hide among sea anemones for protection (commensalism)

Similarly, symbiosis occurs everywhere in the plant world, including your garden. For instance...

  • Legumes such as beans, peas and clover are able to fix nitrogen in the soil, thereby making the soil more nutritious for other plants
  • Marigolds release a chemical called thiopene that repels nematodes (type of worms)

And on a less scientific level...

  • Tall plants or "full" plants can "shade out" areas of your garden, thus preventing garden weeds from getting the sunlight they need to grow
  • Thorny bushes can prevent deer or raccoons from pillaging your crop

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...

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Companion Planting Charts: Which Together and Which to Separate?

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
Apples Chives None
Artichokes Sunflower, tarragon None
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
Cantaloupe Corn Potato
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
Chives Carrots Beans, peas
Cilantro Beans, peas None
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
Garlic Roses, raspberries None
Ginger n/a None
Goji Berries    
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
Lavender n/a None
Leeks Bush beans, beet, carrot, celery, garlic, onion, parsley, tomato Legumes
Lemon Balm n/a None
Lettuce Grows well with just about anything. Particularly fond of beans, carrots, cucumbers, garlic, onions and radishes. None
Lima beans Beet, radish None
Milk Thistle n/a None
Mint Cabbage, tomatoes 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
Oregano n/a None
Parsley Asparagus, corn, tomato None
Parsnips Bush beans, garlic, onion, peas, peppers, potato, radish Carrot, celery
Peaches Garlic Apples
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
Rutabaga Onions, peas Potato
Saffron n/a 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
Tarragon n/a None
Thyme Cabbage None
Tomato Asparagus, basil, bush beans, cabbage, carrots, celery, chive, cucumber, garlic, lettuce, marigold, mint, onion, parsley, pepper Corn, pole beans, dill, fennel, potato
Turnips Onions, peas Potato
Wheat n/a Barberry, lettuce
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*Effectivenss of companion planting charts may vary
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What crops do YOU plant together or keep separate?

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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This is only my second summer of gardening and my first experiment with companion planting. Last year, most of my tomatoes thrived, except for the two …

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