Onions are versatile plants that can benefit from being grown alongside certain companion plants. These companions can enhance growth, deter pests, and improve overall garden health. Here are some of the best companion plants for onions.
Beneficial Companions
Tomatoes: Onions can repel aphids and other pests that commonly affect tomatoes.
Carrots: Onions help repel carrot flies, while carrots can improve the soil structure around onions.
Lettuce: Lettuce grows well alongside onions and can benefit from the shade provided by taller onion plants.
Beets: Both plants benefit from each other's presence without competing for resources.
Strawberries: Onions can help deter pests that commonly affect strawberries.
Cabbage family (broccoli, kale, Brussels sprouts, cabbage): Onions can repel pests like cabbage worms and aphids.
Chamomile: Enhances the flavor of onions and helps attract beneficial insects.
Plants to Avoid
Beans: Onions can stunt the growth of beans due to their differing nutrient requirements.
Peas: Similar to beans, peas can be negatively affected by onions.
Sage: Onions and sage do not grow well together and can inhibit each other's growth.
Asparagus: Onions can inhibit the growth of asparagus.
Using companion planting techniques can create a more productive and pest-resistant garden. By carefully selecting plants that benefit each other, you can optimize the growth and health of your onions and their companions.
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