Companion planting is the practice of growing different plants together for mutual benefit.

What Is Companion Planting?

This shows how planting three different crops could offer mutual benefits and improve the growing conditions in a garden.

A selection of vegetables and fruit that make great companion plants for onions.

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Then, plan your garden accordingly.

The benefits will be worth the little bit of extra planning.

Onions should not be planted with peas, beans, asparagus, or sage.

Onion planted with carrots, garlic

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Onions can stunt the growth of these crops and also negatively affect their flavor.

Onions are the perfect crop to grow in a tight space and are great for growing in containers.

you’re free to even grow them in a food-safe, quality plastic five-gallon container.

Onions should be planted in an environment will full sunlight and well-draining, fertile soil.

Ideally, the soil should lean acidic.

The Science of Companion Planting in the Garden.

Montana State University Extension Office.

West Virginia University Extension Office.