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Companion Plants for Onion

Allium cepa var. cepa

Good companion plants for Onion

Beat1
Carrot1
Chard1
Chamomile-Improves flavor of onion 1
Lettuce1
Strawberry1
Summer Savory-Improves flavor of onion1
Fruit trees
Nightshades (tomatoes, peppers, potatoes, etc)1
Brassicas (cabbage, broccoli, kohlrabi, etc)1

  • Lettuce is a great planting companion for Onion

    Protects lettuce against slugs.

Repellent plants for Onion

These plants will not tend to grow well with Onion - they could stunt or inhibit growth.

Beans1
Peas1
Parsley

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