BEANS
Companions: Beet (to bush beans only), cabbage family, carrot, celery, chard, corn, cucumber, eggplant, pea, potatoes, radish, strawberry. Enemies: Garlic, onion and shallot stunt the growth of beans. | Allies: Marigold deters Mexican bean beetles. Nasturtium and rosemary deter bean beetles. Summer savory deters bean beetles, improves growth and flavor. |
BEETS
Companions: Bush beans, cabbage family, lettuce, onion Ally: Garlic improves growth and flavor. | Enemies: Pole beans and beets stunt each other's growth. |
CABBAGE FAMILY
(Broccoli, Brussels sprouts, cabbage, cauliflower, Chinese cabbage, kale and kohlrabi)
Companions: Beet, celery, chard, cucumber, lettuce, onion, potato, spinach. Allies: Chamomile and garlic improve growth and flavor. | Nasturtium deters bugs, beetles, aphids. Southernwood deters cabbage moth, improves growth and flavor. Tansy deters cabbageworm and cutworm. Thyme deters cabbageworm. Enemies: Kohlrabi and tomato stunt each other's growth. |
CARROTS
Companions: Bean, lettuce, onion, pea, pepper, radish, tomato | Allies: Chives improve growth and flavor. Rosemary and sage deter carrot fly. Enemy: Dill retards growth. |
CELERY
Companions: Bean, cabbage family and tomato | Allies: Chives and garlic deter aphids. Nasturtium deters bugs and aphids. |
CHARD
Companions: Bean, cabbage family and onion |
CORN
Companions: Bean, cucumber, melon, parsley, pea, potato, pumpkin, squash Enemies: Tomatoes and corn are attacked by the same worm. | Allies: Odorless marigold and white geranium deter Japanese beetles. Pigweed raises nutrients from the subsoil to where the corn can reach them. |
CUCUMBER
Companions: Bean, cabbage family, corn, pea, radish, tomato Enemy: Sage is generally injurious to cucumber. | Allies: Marigold deters beetles. Nasturtium deters aphids, beetles and bugs, improves growth and flavor. Oregano deters pests in general. Tansy deters ants, beetles, bugs, flying insects. |
EGGPLANT
Companions: Bean, pepper | Allies: Marigold deters nematodes. |
LETTUCE
Companions: Beet, cabbage family, carrot, onion, radish, strawberry | Allies: Chives and garlic deter aphids. |
MELONS
Companions: Corn, pumpkin, radish, squash | Allies: Marigold deters beetles. Nasturtium deters bugs and beetles. Oregano provides general pest protection |
ONlONS
Companions: Beet, cabbage family, carrot, chard, lettuce, pepper, strawberry, tomato Enemies: Onions stunt bean, pea. | Allies: Chamomile and summer savory improve growth and flavor. Pigweed raises nutrients from subsoil and makes them available to the onions. Sow thistle improves growth and health. |
PARSLEY
Companions: Asparagus, corn, tomato |
PEAS
Companions: Bean, carrot, corn, cucumber, radish, turnip | Allies: Chives deter aphids. Mint improves health and flavor. Enemies: Garlic and onion stunt the growth of peas. |
PEPPERS
Companions: Carrot, eggplant, onion and tomato |
POTATOES
Companions: Beans, cabbage family, corn, eggplant, pea Enemies: Tomatoes and potatoes are attacked by the same blight. | Allies: Horseradish, planted at the corners of the potato patch, provides general protection. Marigold deters beetles. |
PUMPKINS
Companions: Corn, melon, squash | Allies: Marigold deters beetles. Nasturtium deters bugs, beetles. Oregano provides general pest protection. |
RADISHES
Companions: Bean, carrot, cucumber, lettuce, melon, pea | Allies: Chervil and nasturtium improve growth and flavor. Enemy: Hyssop |
SPINACH
Companions: Cabbage family, strawberry |
SQUASH
Companions: Corn, melon, pumpkin Allies: Borage deters worms, improves growth and flavor. | Marigold deters beetles. Nasturtium deters squash bugs and beetles. Oregano provides general pest protection. |
STRAWBERRY
Companions: Bean, lettuce, onion, spinach, thyme Enemy: Cabbage | Allies: Borage strengthens resistance to insects and disease. Thyme, as a border, deters worms. |
TOMATOES
Companions: Asparagus, carrot, celery, cucumber, onion, parsley, pepper Enemies: Corn and tomato are attacked by the same worm. | Allies: Basil repels flies and mosquitoes, improves growth and flavor. Bee balm, chives and mint improve health and flavor. Borage deters tomato worm, improves growth and flavor. Dill, until mature, improves growth and health. Once mature, it stunts tomato growth. Marigold deters nematodes. Pot marigold deters tomato worm and general garden pests, |
TURNIPS
Companion: Pea Source: North Dakota State University Extension |