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Companion Plants: The Ultimate Guide to Plants that Grow Together Well

plants that grow together well

Plants that grow together well

Are you tired of struggling to keep your garden healthy and thriving? One effective way to promote plant growth is by utilizing companion planting. Companion planting involves growing different plants in close proximity to one another, so they can benefit each other's growth, health, and productivity.

In this article, we will explore various plants that grow together well, providing you with a comprehensive guide to creating a thriving companion garden.

Benefits of Companion Planting

Increased Nutrient Absorption

Companion planting allows plants to share nutrients, which can boost their growth and overall health. For instance, legumes have root nodules that fix nitrogen from the air into a form that plants can use. By planting them near nitrogen-hungry crops like corn or tomatoes, they can provide these plants with the nitrogen they need.

Natural Pest Control

Certain plants contain natural pest-repellent properties, which can help protect companion plants from harmful insects. For example, marigolds emit a scent that repels aphids, while basil deters mosquitoes and flies.

Improved Soil Quality

Companion planting can also improve soil quality by promoting biological diversity. Different plants require different soil nutrients, and by planting a variety of plants together, the soil can stay healthy and balanced.

Best Companion Plants for Vegetables


Tomatoes thrive when planted next to basil, borage, carrots, chives, garlic, marigolds, and peppers. These plants help ward off pests like aphids and hornworms, and improve tomato flavor.


Carrots do well when planted with beans, chives, lettuce, onions, peas, peppers, radishes, and tomatoes. These plants help repel carrot flies and other pests, while improving soil quality.


Peppers grow best with basil, carrots, cucumbers, eggplant, onions, and tomatoes. These plants provide natural pest control and improve pepper flavor.

Best Companion Plants for Flowers


Roses thrive when planted near garlic, marigolds, and geraniums. These plants help ward off aphids and other pests, while improving rose fragrance.


Lavender does well with thyme, sage, and rosemary. These plants help attract beneficial insects like bees and butterflies, while repelling harmful ones like mosquitoes.


Sunflowers grow best with beans, corn, and cucumbers. These plants help support sunflower growth, while providing natural pest control.

Best Companion Plants for Herbs


Basil grows well with tomatoes, peppers, and oregano. These plants provide natural pest control and improve basil flavor.


Mint does well with cabbage, tomatoes, and peppers. These plants help repel pests like aphids and cabbage moths, while improving mint flavor.


Parsley grows best with asparagus, corn, and tomatoes. These plants provide natural pest control and improve parsley flavor.

Companion Planting Mistakes to Avoid

While companion planting can be a great way to promote plant growth and health, it's important to avoid some common mistakes. Here are some things to keep in mind:

Don't plant too close together:

Plants need space to grow and spread their roots. Make sure to give each plant enough room to thrive.

Avoid incompatible plants:

Some plants can release toxins that harm others, so it's important to avoid planting incompatible plants near each other.

Don't rely solely on companion planting:

While companion planting can help, it's not a substitute for proper soil preparation, watering, and fertilization.

Frequently Asked Questions

Q: Can companion planting really improve plant growth?

Yes! Companion planting can help plants share nutrients, ward off pests, and improve soil quality, all of which can promote plant growth and health.

Q: How do I know which plants are compatible?

There are many resources available online or in gardening books that can provide guidance on which plants grow well together.

Q: Do I need to use chemicals to keep pests away from my garden?

Not necessarily. Companion planting can provide natural pest control, but you may also need to use other methods like handpicking pests or using organic pesticides.

Q: Is companion planting a new concept?

No, companion planting has been used for thousands of years by indigenous cultures around the world.

Q: Can I still use fertilizer with companion planting?

Yes, companion planting is not a substitute for proper fertilization. You may still need to use fertilizer to provide your plants with the nutrients they need.

Companion planting is a simple and effective way to promote plant growth and health in your garden. By choosing the right plants and avoiding common mistakes, you can create a thriving companion garden that produces healthy and delicious crops.

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