Gardening Experts Share the Best Companion Plants for Onions

Companion planting can help onions grow healthier while naturally reducing pests in the garden. Gardening experts often recommend planting onions alongside carrots, lettuce, beetroot, tomatoes, and strawberries, as these plants can benefit from improved space use and pest control. Onions may help deter insects such as aphids and carrot flies with their strong scent. Herbs like chamomile and summer savory are also considered good companions because they can support onion growth and improve garden diversity.

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