10 Best Eggplant Companion Plants For a Thriving Garden

Eggplants, with their deep purple hues and velvety skins, add a touch of culinary magic to countless dishes. But maximizing their growth and yield requires more than just sunshine and water. Therefore eggplant Companion Plants create a thriving ecosystem that benefits everyone. 

There are several Eggplant companion plants that can help them grow better and healthier. This article will explore some of the best eggplant companion plants and how they can benefit your garden.

What is the Basic Principles of Companion Planting

Companion planting is the practice of growing different plants together for mutual benefit. In this way, plants can help each other grow, thrive, and produce better yields. Understanding companion planting is essential for any gardener who wants to create a healthy and productive garden.

Companion planting is based on the principles of biodiversity, intercropping, and natural pest control. Biodiversity refers to the variety of plants in a garden, which can help to attract beneficial insects and pollinators. 

Intercropping involves growing different plants together in the same space, which can help to maximize the use of space, nutrients, and water. Natural pest control involves using plants that repel pests or attract beneficial insects that can control pests.

As you know eggplant is a popular vegetable that is widely used in various cuisines around the world. It is a versatile vegetable that can be grilled, roasted, fried, or baked.

However, growing eggplants can be a challenge for many gardeners. Eggplants are susceptible to various pests and diseases, and they require specific growing conditions to thrive. One way to improve the growth and yield of eggplants is by planting them alongside compatible companion plants.

Benefits of Companion Planting with Eggplants

Companion planting benefits both plants. When it comes to eggplants, companion planting can be a great way to improve the overall health and productivity of your garden. Here are some benefits of companion planting with eggplants:

  • Pest Control: One of the biggest benefits of companion planting with eggplants is pest control. Eggplants are susceptible to a variety of pests, including flea beetles, aphids, and spider mites. By planting companion plants that repel these pests, you can help protect your eggplants from damage. 
  • Improved Soil Health: Another benefit of companion planting with eggplants is improved soil health. Eggplants are heavy feeders, meaning they require a lot of nutrients to grow. By planting companion plants that fix nitrogen or have deep root systems, you can help improve the soil quality for your eggplants.
  • Increased Yields: Finally, companion planting with eggplants can help increase yields. By planting companion plants that attract pollinators or improve soil health, you can help ensure that your eggplants produce more fruit.

Read Also: Best Asparagus Companion Plants For Your Garden

10 Best Eggplant Companion Plants 

Eggplants are a popular vegetable that can thrive in a garden with the right companion plants. Companion planting is the practice of growing different plants together to benefit one another. Here are some of the top companion plants for eggplants:

1. Beans

Beans (legumes) aren’t just delicious additions to your table; they act as tiny nitrogen factories. Their roots harbor beneficial bacteria that convert atmospheric nitrogen into a form readily available to plants, like our beloved eggplants. 

Beans Plant
Image by Canva

This translates to faster growth, bigger fruits, and increased resistance to pests and diseases. Plus, their shallow root systems won’t compete with eggplants for deeper resources, making them ideal neighbors.

2. Marigolds

Don’t be fooled by their bright smiles – marigolds are fierce guardians in the plant world. Their fiery orange, yellow, and red blooms emit a powerful scent that repels a multitude of harmful insects, including the dreaded whiteflies, aphids, and nematodes.

Marigolds Plant
Image by Canva

Think of them as tiny security guards patrolling your eggplant patch, ensuring they stay pest-free and healthy.

3. Nasturtiums

These cheery flowering beauties are more than just edible additions to salads. Their vibrant blooms attract a swarm of beneficial insects, like ladybugs and hoverflies, who act as natural predators, devouring harmful pests that threaten your eggplants.

Nasturtiums Plant
Image by Canva

Additionally, their trailing vines act as living mulch, suppressing weeds and retaining precious soil moisture, creating a microclimate perfect for thriving eggplants.

4. Spinach

Think of spinach as the ultimate space-saver in your eggplant garden. Growing happily in the partial shade cast by taller eggplants, spinach provides a delicious early harvest while protecting the soil from erosion.

Image by Canva

This win-win combination optimizes your garden space and provides you with two nutritious vegetables in one go.

5. Onions

Don’t underestimate the power of the humble onion! Their pungent aroma acts as a natural insect repellent, keeping aphids, thrips, and other unwanted guests at bay. 

Onions Pant
Image by Canva

This fragrant protection benefits not only your eggplants but also the surrounding plants, creating a healthier and more productive garden ecosystem.

6. Oregano

This culinary herb isn’t just for pizza and pasta; it’s a pollinator paradise! Its fragrant blooms attract bees and butterflies, essential for ensuring proper pollination of your eggplants, which translates to bigger, juicier fruits. 

Oregano Plant
Image by Canva

Additionally, oregano deters certain beetles and flies, providing your eggplants with an extra layer of protection.

7. Borage

Borage is a beauty with brains. Its stunning blue flowers attract beneficial insects and pollinators, while simultaneously deterring cabbage moths and tomato hornworms, common threats to eggplants. 

Borage Plant
Image by Canva

This multitasking marvel not only beautifies your garden but also acts as a natural pest control system, ensuring your eggplants thrive without harmful interventions.

8. Mint (with Caution)

Mint comes with a caveat. While its strong aroma repels aphids and other soft-bodied insects, it can also be quite invasive.

Mint Plant
Image by Canva

To harness its pest-repelling powers, keep it contained in pots or raised beds near your eggplants. This strategic placement allows you to benefit from its protective properties without it taking over your entire garden.

9. Radishes

These fast-maturing root vegetables act as early-season bodyguards for your eggplants. Interplanting radishes with your eggplants deters beetles and other pests in the early stages of growth, giving your eggplants a healthy head start.

Radishes Plant
Image by Canva

And as they mature and are harvested, they create space for your eggplants to flourish.

10. Dill

Dill is more than simply a wonderful herb; it is also an excellent companion plant for eggplants, providing numerous benefits.

Dill Plant
Image from Shutterstock

When let to bloom, dill becomes completely seductive to parasitic wasps and other beneficial insects. These insects will feed on armyworms and other pests, helping your eggplants look their best.

Read Also: Best Sweet Potato Companion Plants For Your Garden

Companion Planting Strategies for Eggplant

There are several companion planting strategies that gardeners can use to create a healthy and productive garden. Some of these strategies include:

  • Planting herbs and flowers among vegetable crops to attract beneficial insects and pollinators.
  • Interplanting nitrogen-fixing plants, such as legumes, with heavy feeders, such as tomatoes, to improve soil fertility.
  • Planting crops that have different root depths together to maximize the use of soil nutrients and water.
  • Using plants that repel pests, such as marigolds, to protect other crops from insect damage.

By understanding the principles of companion planting and using these strategies, gardeners can create a healthy and productive garden that is full of life and vitality.

Planting Tips for Eggplant Companions

When it comes to planting eggplant companions, there are a few things to keep in mind to ensure a healthy and productive garden. Here are some tips to help you get started:

Choose Companions Wisely: When selecting companion plants for eggplant, it’s important to choose varieties that are compatible with eggplant. Some good options include herbs like basil, oregano, and thyme, as well as vegetables like peppers, tomatoes, and cucumbers. Avoid planting eggplant with plants from the nightshade family, such as potatoes and tomatoes, as they can attract the same pests and diseases.

Consider Spacing: When planting eggplant companions, it’s important to consider spacing. Make sure to leave enough room between plants to allow for proper air circulation and to prevent overcrowding. A good rule of thumb is to leave at least 18 inches between plants.

Use Mulch: Mulching around eggplant and its companions can help conserve moisture, suppress weeds, and regulate soil temperature. Use organic mulch, such as straw or shredded leaves, and apply a layer about 2-3 inches deep.

Rotate Crops: To prevent soil-borne diseases and pests, it’s important to rotate crops. Avoid planting eggplant and its companions in the same spot year after year. Instead, rotate them to a different area of the garden each season.

By following these planting and spacing tips, you can create a healthy and productive garden with eggplant and its perfect companions.


What other plants should not be planted with eggplant?

Heavy feeders like corn, melons, squash family plants compete for nutrients while fennel like Inhibits eggplant growth and potentially affects flavor.

Can you plant eggplants near tomatoes?

Yes, with caution. Both are nightshades with similar needs, but give them enough space and compost. Some tomato varieties attract pests that also affect eggplants.

Can you plant eggplant and zucchini together?

No, not recommended. Both are heavy feeders and zucchini’s leaves can shade the sun-loving eggplant, hindering its growth.


In conclusion, this is just a starting point. The best companion plants for your eggplants will depend on your specific garden conditions, local climate, and prevalent pests. Don’t be afraid to experiment with different combinations and observe how your plants respond. 

Additionally, consider incorporating traditional companion planting practices from your region, as they often hold valuable insights adapted to your unique environment.

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