Onion
Potential Buddies
- Amaranth
- Apple
- Apricot
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Beet
Onion as companion reduces aphids. Grown previously, reduces eelworm
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Brussels sprouts
Benefit from root residues of maturing onions
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Carrot
Onion as companion deters carrot root fly, carrot deters onion fly and likes to follow onions
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- Celery
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Chamomile
Chamomile improves yield and flavor
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- Chervil
- Cucumber
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Dill
Dill improves onion flavor
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- Field salad
- Garlic
- Kohlrabi
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Lettuce
Onion Repels aphids & slugs
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- Marjoram
- Marrow
- Nectarine
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Parsley
Hides smell from flies
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- Parsnip
- Peach
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Potato
Onion as companion deters Colorado beetle. Grown previously, prevents rhizoctonia infection. Sprayed, deters blight
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- Rose
- Salsify
- Summer savory
- Swiss chard
- Thyme
- Tomato
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