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The Best Eggplant Companion Plants




Eggplant Companion Plants

Eggplant, also known as aubergine, is a versatile and nutrient-rich vegetable that has been a staple in cuisines worldwide for centuries. Whether grilled, roasted, or fried, eggplant adds a unique flavour and texture to any dish.

However, for successful eggplant growth, it is essential to consider the plant’s companions in the garden. Here, we will discuss the benefits of companion planting for eggplants and list the top 10 best eggplant companion plants.

We’ll explore why marigolds, bush beans, peas, spinach, nightshades, beets, peppers, potatoes, onions, and lettuce are great eggplant companions. Additionally, we’ll explain why plants like corn and fennel may not be the best choices for eggplant companions.

Eggplant Companion Plants

About Companion Planting For Eggplants

About Companion Planting For Eggplants

Companion planting for eggplants involves strategically growing compatible plants to maximize their benefits. This natural and sustainable approach reduces the need for chemical pesticides by repelling pests, providing shade, and boosting nutrient levels.

Experiment with companion plants like green beans, tomatoes, and pole beans to find what works best for your eggplants. Research the specific benefits and considerations of companion planting to ensure the health and growth of your eggplant crop.

The Advantages Of Companion Planting

Companion planting offers numerous advantages for your vegetable garden. By growing compatible plants together, you can promote biodiversity and create a healthy ecosystem. Certain companion plants attract beneficial insects that prey on common pests like cabbage moths and potato beetles.

Additionally, companion plants help improve soil fertility through their root systems and reduce the reliance on synthetic fertilizers and pesticides. The visually appealing and diverse garden created by companion planting is beautiful and contributes to your plants’ overall health.

Top 10 Best Eggplant Companion Plants

Top 10 Best Eggplant Companion Plants

When planning your garden, it’s important to consider companion planting to maximize the health and productivity of your eggplant crop. Basil enhances flavour and repels pests. Marigold deter harmful insects and adds vibrant colour. Nasturtium attracts beneficial insects and acts as a trap crop.

Beans fix nitrogen levels, benefiting eggplant growth. Peppers are good companions with similar requirements. Incorporating these companion plants into your garden can create a more balanced ecosystem that promotes healthy growth and protects your precious eggplant crop from pests and diseases. Here are the top 10 best eggplant companion plants:



Marigolds are an amazing companion plant for eggplants. They repel harmful insects and attract beneficial ones, promoting a healthy garden ecosystem. Their strong scent also keeps pests like rabbits at bay. Marigolds add colour to the garden and contribute to soil health. Plant or intersperse them around the perimeter throughout the eggplant bed for maximum pest control benefits.

2:Bush Beans

Bush Beans

Bush beans are an excellent choice as companion plants for eggplants. They fix nitrogen in the soil, promoting eggplant growth. With their shallow root system, they don’t compete for nutrients. Bush beans also attract beneficial insects like bees and ladybugs, ensuring pollination and pest control. Plant them 6 inches apart and simultaneously as eggplants for optimal results.


Peas make an excellent companion plant for eggplants. They provide the necessary nitrogen for eggplant growth and have shallow roots that won’t compete for resources. Peas also help deter pests like aphids and spider mites. Just be sure to give each plant enough space to grow without crowding. Consider using trellises for support.



Spinach is an amazing companion plant for eggplants. It repels pests and provides shade, helping conserve moisture and keep the soil cool. With its deep roots, spinach improves soil structure and fertility. Planting spinach alongside eggplants creates a diverse and attractive garden bed. Spinach is a nutrient-rich crop that benefits eggplant growth and yield.


Eggplants make for great companions with nightshade plants like peppers and tomatoes. They share similar soil and water requirements and can help protect against pests that target eggplants. However, it’s important to note that planting too many nightshades together can make them more susceptible to disease.

Along with nightshade plants, other ideal companions for eggplant include basil, oregano, peas, and beans. These plants add variety to your garden and promote healthy growth in eggplants by providing necessary nutrients to the soil. Additionally, intercropping eggplants with companion plants helps reduce weed growth and improve soil structure, leading to a healthier garden overall.



Beets make excellent eggplant companion plants because they thrive in similar soil conditions. They help improve soil quality by breaking up compacted soil and attracting beneficial insects like predatory wasps and ladybugs. Planting beets alongside eggplants provides shade and moisture retention. Additionally, beets are low-maintenance and can provide a harvest alongside your eggplants.


Peppers make excellent eggplant companion plants due to their similar soil and water requirements. They can also help repel pests like aphids and flea beetles that could damage the eggplants. Additionally, peppers attract beneficial insects such as ladybugs and lacewings, providing a natural form of pest control.

With their contrasting colours and textures, the combination of peppers and eggplants creates a visually appealing display in the garden. Proper spacing is important to prevent overcrowding and allow for good air circulation.


Potatoes make excellent companion plants for eggplants due to their similar soil requirements. As nightshade family members, both plants share common pests and diseases. Moreover, potatoes help enhance soil health by breaking up compacted soil and adding organic matter. Adequate spacing and crop rotation are key considerations when planting eggplants and potatoes.



Onions are excellent eggplant companion plants as they deter pests like aphids and spider mites. They also improve soil quality and enhance the yield and flavour of both crops. Onions can be planted between rows of eggplant or scattered throughout the garden to repel pests naturally. Other good companions for eggplant include tomatoes, peppers, and beans.


Lettuce is an excellent choice as a companion plant for eggplants. Its shallow roots do not compete with the deep-rooted eggplant, allowing both plants to thrive. Lettuce provides shade and helps retain moisture in the soil, benefiting eggplants during hot and dry weather. It also acts as a trap crop for pests like slugs and aphids, protecting the eggplant crop. Monitor for disease or pest infestation and take appropriate measures as needed.

What Makes Radishes A Good Companion For Eggplants?

Radishes make excellent companion plants for eggplants for several reasons. Firstly, radishes have a quick growth cycle, which means they can be harvested before the eggplants become too large and start to shade them. This allows both plants to receive adequate sunlight and prevents competition for resources.

Additionally, radishes help deter pests such as flea beetles, which are known to attack eggplants. The strong scent of radishes acts as a natural repellent and can help protect the eggplants from damage. Furthermore, radishes have shallow root systems that do not compete with the deep-rooted eggplants for water and nutrients. This makes them an ideal companion plant as they can coexist without negatively impacting each other’s growth and development.

Plants To Avoid When Growing Eggplants

When growing eggplants, it is important to be aware of plants that should be avoided as companions. Some plants can hurt the growth and health of eggplants, so it is best to keep them separate. Here are some plants to avoid when growing eggplants:

  • Potatoes: Eggplants and potatoes are members of the nightshade family and can be susceptible to similar diseases and pests. Growing them together can increase the risk of cross-contamination.
  • Peppers: Like potatoes, peppers are also part of the nightshade family. Planting them near eggplants can increase the chances of disease transmission and reduce overall crop productivity.
  • Fennel: Fennel can release chemicals into the soil that inhibit the growth of nearby plants, including eggplants. It is best to keep these two plants separated to ensure healthy growth for both.

Avoiding these companion plants can help promote strong and healthy growth for your eggplants.

Why Corn May Not Be A Good Companion?

Why Corn May Not Be A Good Companion

While many companion plants can benefit eggplant, corn may not be the best choice. Corn is a heavy feeder and can compete with eggplant for nutrients in the soil. Additionally, the tall stalks of corn can shade out the eggplant, limiting its access to sunlight.

This can result in stunted growth and reduced yield for the eggplant. Therefore, it is generally recommended to avoid planting corn near eggplant to ensure optimal growth and productivity for both plants. Instead, consider companion plants such as basil, marigolds, or peppers, which can provide benefits such as pest control or improved flavour when planted alongside eggplant.

The Impact Of Fennel On Eggplant Growth

Regarding companion planting for eggplants, fennel can significantly impact their growth. Fennel attracts beneficial insects such as ladybugs and lacewings, which can help control pests that may harm eggplants. Additionally, fennel’s tall and feathery foliage can provide shade for the eggplant plants, protecting them from excessive heat and sun exposure.

However, it is important to note that fennel can be a competitive plant and may compete with eggplants for nutrients and water. Therefore, planting fennel at a distance from the eggplant plants is recommended to minimize any potential negative effects. Overall, incorporating fennel as a companion plant can contribute to the health and productivity of your eggplant garden.

Best Practices For Planting Eggplant And Its Companions

Choosing the right companion plants can benefit their growth and overall health when planting eggplants. One of the best practices for planting eggplant and its companions is considering plants with similar soil and sunlight requirements. Some common companion plants for eggplant include tomatoes, peppers, and herbs like basil and oregano.

These plants not only provide a visually appealing garden but can also help deter pests and attract pollinators. Additionally, avoiding planting eggplant near other nightshade family plants, such as potatoes or peppers, can help prevent the spread of diseases. Following these best practices, you can create a thriving garden with healthy eggplants and compatible companions.

Is There A Perfect Sequence For Planting Eggplant And Its Companions?

Is There A Perfect Sequence For Planting Eggplant And Its Companions

There is no one-size-fits-all approach when it comes to planting eggplant and its companion plants. However, some guidelines can help you make the most of your garden space and maximize the health and productivity of your eggplants. One common practice is to rotate crops each year to prevent the buildup of pests and diseases in the soil.

This means avoiding planting eggplant or other solanaceous plants (such as tomatoes, peppers, and potatoes) in the same spot for consecutive years. Additionally, certain plants can benefit from being planted alongside eggplant. For example, herbs like basil and marigolds can help repel pests attracted to eggplants, while beans and peas can fix nitrogen in the soil, which is beneficial for eggplant growth. Experiment with different combinations to find what works best for your garden.

Summarizing The Art Of Companion Planting For Eggplants

Companion planting can be a great strategy for optimizing the growth and health of your eggplants. Planting certain plants near your eggplants can deter pests, improve pollination, and enhance nutrient uptake. Some of the best companion plants for eggplants include basil, marigolds, and beans.

Basil repels pests like aphids and spider mites and enhances the flavour of nearby eggplants. Marigolds have natural pest-repellent properties and attract beneficial insects like ladybugs that prey on common eggplant pests. Beans are nitrogen-fixing plants that enrich the soil with this essential nutrient, promoting healthy growth in eggplants. When planning your garden, consider incorporating these companion plants to maximize the success of your eggplant crop.


Companion planting for eggplants offers several benefits. You can create a thriving garden ecosystem by strategically selecting plants that complement each other’s growth and repel pests. Some of the best eggplant-companion plants are marigolds, bush beans, peas, spinach, nightshades, beets, peppers, potatoes, onion, and lettuce.

However, it’s important to avoid planting corn and fennel alongside eggplants as they may hinder their growth. When planting eggplants and their companions, ensure proper spacing and adequate sunlight and water. Remember, companion planting is an art that requires experimentation and observation to find the perfect combination for your garden. We hope you know best eggplant companion plants. Happy planting!

Frequently Asked Questions

1.What Should You Not Plant Near Eggplant?

Ans: Avoid planting eggplant near other nightshade plants like tomatoes, peppers, and potatoes. These plants are susceptible to the same pests and diseases, which can harm the growth of eggplants. Additionally, it is advisable to steer clear of fennel and kohlrabi as they can inhibit the growth of eggplants. Good eggplant companion plants include basil and marigolds, which can help repel pests.

2.Can I Plant Bush Beans With Eggplant?

Ans: Yes, bush beans and eggplant can be planted together in the garden. Bush beans are nitrogen-fixing plants that can provide a natural nitrogen source for the eggplants, promoting healthy growth. Both plants have similar growing requirements, such as full sun and well-drained soil, making them compatible companions. Planting bush beans with eggplants can also help maximize space in your garden.

3.Where Is The Best Place To Plant Eggplant?

Ans: For optimal growth, plant eggplants in a location that receives at least 6 hours of direct sunlight daily. Ensure the soil is well-drained and rich in organic matter, with a pH between 5.5 and 7.0. Good air circulation is also important to prevent disease development.

4.Can You Plant Two Eggplants Together?

Ans: Yes, it is possible to plant two eggplants together. However, allowing enough space between the plants is important as they can grow quite large. Planting eggplants with compatible companion plants like basil and peppers can promote growth and deter pests. Avoid planting them with incompatible plants such as fennel and potatoes.

5.What Other Plants Should Not Be Planted With Eggplant?

Ans: When planting eggplant, it’s important to avoid certain companion plants. Nightshade family plants like tomatoes, peppers, and potatoes should not be planted near eggplant. Similarly, avoiding fennel, beans, and Brassicas such as broccoli and cauliflower is best. On the other hand, herbs like basil and parsley, marigolds, nasturtiums, garlic, and onions can be great companions for eggplant.

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