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What are the best companion plants for sweet onions?
What are the best companion plants for sweet onions?-June 2024
Jun 2, 2025 11:59 PM

Companion Plants for Sweet Onions

Companion planting is a practice in agriculture where certain plants are grown together to provide mutual benefits. When it comes to sweet onions, there are several companion plants that can help enhance their growth and deter pests. Here are some of the best companion plants for sweet onions:

1. Carrots

Carrots make excellent companions for sweet onions as they help repel onion flies, a common pest that can damage onion crops. Additionally, the tall foliage of carrots provides shade for the onion bulbs, preventing them from becoming sunburned.

2. Lettuce

Lettuce is a great companion plant for sweet onions as it helps conserve moisture in the soil and provides shade to the onion bulbs. The dense foliage of lettuce also acts as a natural weed suppressor, reducing competition for nutrients and space.

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3. Beets

Beets are beneficial companions for sweet onions as they help deter pests like aphids and onion maggots. The strong scent of beets acts as a natural repellent, keeping these pests away from the onion plants.

4. Chamomile

Chamomile is a popular companion plant for sweet onions due to its ability to attract beneficial insects like hoverflies and parasitic wasps. These insects prey on pests that can harm onion crops, such as aphids and thrips.

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5. Garlic

Garlic is an excellent companion for sweet onions as it helps repel pests like onion flies and thrips. The strong odor of garlic acts as a natural deterrent, keeping these pests away from the onion plants.

By planting these companion plants alongside sweet onions, you can create a more balanced and pest-resistant garden. Remember to provide adequate spacing between the plants to allow for proper growth and airflow. Happy gardening!

Keywords: onions, companion, plants, carrots, lettuce, natural, garlic, planting, provide

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