Plant
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Companion(s) and Effects
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Asparagus
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Tomatoes, parsley, basil
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Basil
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Tomatoes (improves growth & flavor); said to dislike rue; repels flies & mosquitoes
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Bean
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Potatoes, carrots, cucumbers, cauliflower, cabbage, summer savory, most other veggies & herbs
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Bean (bush)
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Sunflowers (beans like partial shade, unless you live up north, sunflowers attract birds & bees for pollination), cucumbers (combination of heavy and light feeders), potatoes, corn, celery, summer savory
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Bee Balm
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Tomatoes (improves growth & flavor).
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Beet
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Onions, kohlrabi
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Borage
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Tomatoes (attracts bees, deters tomato worm, improves growth & flavor), squash, strawberries
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Cabbage Family (broccoli, brussels sprouts, cabbage, cauliflower, kale, kohlrabi)
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Potatoes, celery, dill, chamomile, sage, thyme, mint, pennyroyal, rosemary, lavender, beets, onions; aromatic plants deter cabbage worms
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Caraway
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Loosens soil; plant here and there
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Carrot
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Peas, lettuce, chives, onions, leeks, rosemary, sage, tomatoes
|
Catnip
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Plant in borders; protects against flea beetles
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Celery
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Leeks, tomatoes, bush beans, cauliflower, cabbage
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Chamomile
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Cabbage, onions
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Chervil
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Radishes (improves growth & flavor).
|
Chive
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Carrots; plant around base of fruit trees to discourage insects from climbing trunk
|
Corn
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Potatoes, peas, beans, cucumbers, pumpkin, squash
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Cucumber
|
Beans, corn, peas, radishes, sunflowers
|
Dead Nettle
|
Potatoes (deters potato bugs)
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Dill
|
Cabbage (improves growth & health), carrots
|
Eggplant
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Beans
|
Fennel
|
Most plants are supposed to dislike it.
|
Flax
|
Carrots, potatoes
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Garlic
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Roses & raspberries (deters Japanese beetle); with herbs to enhance their production of essential oils; plant liberally throughout garden to deter pests
|
Horseradish
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Potatoes (deters potato beetle); around plum trees to discourage curculios
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Hyssop
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Cabbage (deters cabbage moths), grapes; keep away from radishes
|
Lamb's Quarters
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Nutritious edible weeds; allow to grow in modest amounts in the corn
|
Leek
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Onions, celery, carrots
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Lemon Balm
|
Here and there in the garden
|
Marigold
|
The workhorse of pest deterrents; keeps soil free of nematodes; discourages many insects; plant freely throughout the garden.
|
Marjoram
|
Here and there in the garden
|
Mint
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Cabbage family; tomatoes; deters cabbage moth
|
Nasturtium
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Tomatoes, radish, cabbage, cucumbers; plant under fruit trees; deters aphids & pests of curcurbits
|
Onion
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Beets, strawberries, tomato, lettuce (protects against slugs), beans (protects against ants), summer savory
|
Parsley
|
Tomato, asparagus
|
Pea
|
Squash (when squash follows peas up trellis), plus grows well with almost any vegetable; adds nitrogen to the soil
|
Petunia
|
Protects beans; beneficial throughout garden
|
Potato
|
Horseradish, beans, corn, cabbage, marigold, limas, eggplant (as a trap crop for potato beetle)
|
Pot Marigold
|
Helps tomato, but plant throughout garden as deterrent to asparagus beetle, tomato worm & many other garden pests
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Pumpkin
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Corn
|
Radish
|
Peas, nasturtium, lettuce, cucumbers; a general aid in repelling insects
|
Rosemary
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Carrots, beans, cabbage, sage; deters cabbage moth, bean beetles & carrot fly
|
Rue
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Roses & raspberries; deters Japanese beetle; keep away from basil
|
Sage
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Rosemary, carrots, cabbage, peas, beans; deters some insects
|
Soybean
|
Grows with anything; helps everything
|
Spinach
|
Strawberries
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Squash
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Nasturtium, corn
|
Strawberry
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Bush beans, spinach, borage, lettuce (as a border)
|
Summer Savory
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Beans, onions; deters bean beetles
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Sunflower
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Cucumber
|
Tansy
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Plant under fruit trees; deters pests of roses & raspberries; deters flying insects, also Japanese beetles, striped cucumber beetles, squash bugs; deters ants
|
Tarragon
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Good throughout garden
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Thyme
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Here and there in garden; deters cabbage worm
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Tomato
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Chives, onion, parsley, asparagus, marigold, nasturtium, carrot, limas
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Valerian
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Good anywhere in garden
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Wormwood
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As a border, keeps animals from the garden
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Yarrow
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Plant along borders, near paths, near aromatic herbs; enhances essential oil production of herbs
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