Companion Plants

Plant	Friend	Foe
Asparagus	Basil, nasturtium, parsley, tomato	garlic, onion
Bean, Bush	Beet, cabbage, carrot, cauliflower, celeriac,celery, chard, corn, cucumber, eggplant, leek, marigold, parsnip, pea, potato, radish, rosemary, strawberry, sunflower	basil, fennel, kholrabi, onion family
Bean, pole	Carrot, cauliflower, chard, corn, cucumber, eggplant, marigold, pea, potato, rosemary, strawberry	basil, beet, cabbage, fennel, kohlrabi, onion family, radish, sunflower
Beet	Bush bean, cabbage family, corn, leek, lettuce, lima bean, onion, radish	Mustard Greens, pole bean
Broccoli	Beet, bush bean, carrot, celery, chard cucumber, dill, kale, lettuce, mint, nasturtium, onion family, oregano, potato,  resemary, sage, spinach, tomato	Lima, pole and snap beans, strawberry
Brussels Sprout	Beet, bush bean, carrot, cucumber, lettuce, nasturtium, onion family, pea, potato, radish, spinach, tomato	Knhlrabi, pole bean, strawberry
Cantalope	Corn	potato
Carrot	Bean, brussels sprouts, cabbage, chive, leaf lettuce, leek, onion, pea, pepper, red radish, rosemary, sage tomato	Celery, dill, parsnip
Cauliflower	Beet, bush bean, carrot, celery, cucumber dill, kale, lettuce, mint, nasturtium, onion family, potato, rosemary, sage, spinach, tomato	Pole bean, strawberry
Celery	Bush bean, cabbage family (especially cauliflower) leek, parsley, pea, tomato	Carrot, parsnip
Corn	Beet, bush bean, cabbage, cantalope, cucumber, morning glory, parsley, pumpkin, squash	tomato
Cucumber	Bush bean, cabbage family, corn, dill eggplant, letttuce, nasturtium, pea, radish, sunflower, tomato	potato, sage
eggplant	Bush bean, pea, pepper, potato	none
kale	Beet, bush bean, cabbage, celery, cucumber, lettuce, nasturtium, onion, potato, spinach, tomato
kohlrabi	Beet, bush bean, celery, cucumber, lettuce, nasturtium, onion, potato, tomato	Pole bean, strawberry
leek	Beet, bush bean, carrot, celeriac, celery, onion, parsley, tomato	bean, pea
lettuce	Especially good friends are carrot, garlic, onion family, radish	none
lima bean	Beet, radish	none
Onion Family	Beet, cabbage family, carrot, kohlrabi, leek, early lettuce, parsnip, pepper, spinach, strawberry, tomato, turnip	asparagus, bean, pea, sage
Parsley	Asparagus, corn, tomato	none
Parsnip	Bush bean, garlic, onion, pea, pepper, potato, radish	caraway, carrot, celery
pea	Bean, carrot, celery, chicory, corn, cucumber, eggplant, parsley, radish, spinach, strawberry, sweet pepper, turnip	Onion family
pepper	Carrot, eggplant, onion, parsnip, pea, tomato	fennel, kohlrabi
potato	Bush bean, cabbage family, corn, eggplant as a trap crop, marigold, parsnip, pea	cucumber, pumpkin, raspberry, rutabaga, squash family, sun-flower, fomaot, turnip
pumpkin	Corn, eggplant, nasturtium, radish	potato
radish	Bean, beet, cabbag e family, carrot, chervil, corn, cucumber, leaf lettuce, melon, nasturtium,, parsnip, pea, spinach, squash family, sweet potato, tomato	hyssop
rutabaga	Nasturtium, onion family, pea	potato
spinach	Cabbage family, celery, legumes, lettuce, onion, pea, radish, strawberry	potato
squash	Celeriac, celery, corn, dill, melon, nasturtium, onion, radish	potato
strawberry	Bean, borage, lettuce, onion, pea, spinach	cabbage family
tomato	Asparagus, basil, bee balm, bush bean, cabbage family, carrot, celery, chive, cucumber, garlic, head lettuce, marigold, mint, nasturtium, onion, parsley, pepper, pot marigold	dill, fennel, pole bean, potato
turnip	Onion family, pea	potato
Information from "The Vegetable Grdener's Bible" by Edward C. Smith
Mr. Smith advises you to use this information as a starting point.  Keep track of your own experiences.