Best Blueberry Companion Plants (And Those To Avoid)

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Blueberries are a delightful addition to any garden. With their sweet and tangy taste, vibrant foliage, and abundance of health benefits, blueberry plants have become a favorite among gardeners. To ensure optimal growth and productivity, it is important to consider companion planting. By selecting the right blueberry companion plants, you can create a harmonious garden ecosystem that maximizes the yield and health of your blueberry bushes.

In this post, we’re exploring blueberry companion plants and are giving you the best companions to promote the growth and productivity of your blueberry bushes.

We will also highlight some plants to avoid, as they may compete for resources or have negative effects on blueberry plants.

What Is Companion Planting?

Blueberry companion planting

Companion planting is a gardening technique where plants with complementary characteristics are grown together.

This practice has been used for centuries to enhance crop growth, deter pests, attract beneficial insects, and improve soil health.

When it comes to blueberries, companion planting can be particularly beneficial due to their specific soil and environmental requirements.

Unique Requirements and Benefits Of Blueberry Plants

Let’s take a moment to understand the unique characteristics and requirements of blueberry bushes.

Blueberries thrive in acidic soil with a pH range of 4.0 to 5.0. Their shallow and delicate root systems require well-draining soil that retains moisture without becoming waterlogged.

Blueberry plants also prefer organic-rich soil with balanced nutrient levels. They benefit from full sun exposure and adequate air circulation to prevent the development of fungal diseases.

The benefits of growing blueberries extend beyond their delicious fruits.

Blueberry bushes are visually appealing throughout the year, with vibrant foliage in spring and summer and stunning autumn colors.

These perennial shrubs can live for many years providing an abundant harvest season after season, with proper care and maintenance.

The Benefits of Blueberry Companion Planting

Companion planting is a powerful tool in the gardener’s arsenal, offering numerous benefits to blueberry plants. By strategically selecting companion plants, you can create a diverse and balanced garden ecosystem that supports the growth and productivity of your blueberry bushes.

Let’s explore some of the key advantages of companion planting for blueberries:

1. Soil Enhancement

Blueberries thrive in acidic soil conditions, and companion plants can help maintain the optimal pH range.

Acid-loving plants such as rhododendrons, azaleas, and conifers can naturally acidify the soil, creating an ideal environment for blueberries.

These companion plants also add organic matter to the soil, improving its structure and nutrient content.

2. Pollination and Fruit Set

Blueberries are self-fertile, but cross-pollination can significantly enhance fruit set and yield.

By planting different blueberry varieties with overlapping bloom times, you can ensure ample opportunities for pollination.

Bees and other pollinators are attracted to the diverse range of flowers in a companion planting system, increasing the chances of successful pollination and larger fruit yields.

3. Pest Management

Companion plants play a vital role in pest management by attracting beneficial insects and deterring pests.

Certain herbs and flowers, such as thyme, borage, and marigolds, act as natural insect repellents, keeping common pests like aphids and Japanese beetles at bay.

Attracting beneficial insects like ladybugs and parasitic wasps can help control pest populations and maintain a healthy balance in the garden.

4. Shade and Sun Protection

Blueberries require full sun exposure for optimal growth and fruit production. However, in hotter regions, excessive sunlight and heat can stress the plants.

Companion plants with a taller growth habit, such as evergreen trees or shrubs, can provide shade and create a microclimate that protects the blueberry bushes from intense sunlight.

This shade also helps regulate soil temperature and moisture levels.

5. Weed Suppression

Companion plants can serve as natural weed suppressors, reducing the need for excessive manual weeding.

Ground cover plants like strawberries and creeping thyme create a dense mat that inhibits weed growth, minimizing competition for resources and reducing the need for herbicides.

This natural weed suppression not only saves time and effort but also promotes healthier soil and root systems for blueberry plants.

6. Aesthetic Appeal

Companion planting is not just about practical benefits; it also adds visual interest and diversity to your garden.

By selecting companion plants with attractive flowers, foliage, or textures, you can create a visually appealing landscape that showcases the beauty of blueberry bushes.

Plants like flowering dogwood, azaleas, and ferns provide a stunning backdrop and enhance the overall aesthetics of your garden.

7. Environmental Sustainability

Companion planting aligns with sustainable gardening practices by promoting biodiversity and reducing the reliance on chemical inputs.

By creating a balanced ecosystem with companion plants, you can minimize the use of pesticides and synthetic fertilizers, reducing the environmental impact of your garden.

This approach fosters a healthier and more sustainable gardening environment for both plants and wildlife.

The Best Perfect Blueberry Companion Plants

When selecting companion plants for your blueberries, it’s essential to consider their specific requirements and compatibility with blueberry bushes.

Here are some excellent blueberry companion plants to consider for your garden:

1. Rhododendrons and Azaleas

Rhododendrons and Azalea Blueberry companion planting

Rhododendrons and azaleas are acid-loving plants that thrive in similar soil conditions as blueberries.

These beautiful flowering shrubs create a stunning visual contrast to blueberry bushes and provide shade and shelter for pollinators.

Their shallow root systems also help improve soil structure and moisture retention.

2. Conifers: Pine, Spruce, and Fir

Conifers, such as pine, spruce, and fir trees, are excellent companion plants for blueberries.

These evergreens thrive in acidic soil conditions akin to blueberries. They provide them with shade while also letting them get enough sun, and protect them against wind.

Planted thoughtfully, evergreens create an environment where blueberry bushes thrive beneath their sheltering foliage.

3. Borage

Borage is a versatile companion plant that attracts beneficial insects and improves soil fertility.

Its vibrant blue flowers attract bees and butterflies, ensuring efficient pollination for blueberry bushes.

Borage also acts as a natural pest repellent, deterring harmful insects like aphids. In addition, it is a self-seeding annual, spreading throughout the garden and enhancing biodiversity.

4. Strawberries

Strawberries make excellent companions for blueberries, as they share similar soil requirements and growth habits.

These perennial ground cover plants suppress weeds, regulate soil moisture, and provide attractive foliage and flowers.

Planting strawberries near blueberries can also improve cross-pollination and increase overall fruit production.

5. Thyme

Thyme is a fragrant herb that offers numerous benefits as a blueberry companion plant. Its low-growing habit creates a living mulch, conserving soil moisture and suppressing weeds.

Thyme’s pungent scent acts as a natural pest deterrent, keeping harmful insects at bay.

Creeping thyme, in particular, adds a beautiful carpet of pink-purple flowers, enhancing the aesthetic appeal of your blueberry garden.

6. Ferns: Cinnamon Fern and Royal Fern

Native ferns, such as cinnamon fern and royal fern, can thrive in the shade cast by blueberry bushes.

These ferns prefer acidic and moist soil conditions, making them ideal companions for blueberries.

Ferns add texture and visual interest to the garden, creating a natural and woodland-like ambiance.

7. Wildflowers: Bee Balm, Echinacea, and Black-eyed Susan

Wildflowers are a great addition to any blueberry garden, attracting pollinators and enhancing biodiversity.

Bee balm, echinacea, black-eyed Susan, and other native wildflowers provide nectar and pollen sources for bees, butterflies, and other beneficial insects.

Their vibrant colors and cheerful blooms create a visually appealing landscape while supporting the overall health of your blueberry bushes.

Plants to Avoid Near Blueberry Bushes

While companion planting offers numerous benefits, there are some plants that are best kept away from blueberry bushes. These plants may have different soil requirements, compete for resources, or have negative effects on blueberry growth.

Here are some plants to avoid planting near blueberries:

1. Brassicas: Broccoli, Cauliflower, and Brussels Sprouts

Broccoli, cauliflower, and Brussels sprouts

Brassicas, including broccoli, cauliflower, and Brussels sprouts, have different soil pH preferences than blueberries.

These vegetables prefer more alkaline soil conditions, which can interfere with the acidic environment required by blueberries.

In addition, brassicas compete with blueberry plants for nutrients and water, potentially stunting their growth and reducing fruit production.

2. Melons: Cantaloupe and Watermelon

Melons, such as cantaloupe and watermelon, have heavy nutrient and water requirements that may deprive blueberry plants of essential resources.

These plants prefer soil conditions that are not compatible with the acidic and well-draining environment favored by blueberries.

Planting melons near blueberries can lead to nutrient imbalances and hinder the growth and productivity of both plants.

3. Nightshades: Tomatoes, Peppers, and Eggplant

Nightshade plants, including tomatoes, peppers, and eggplant have different soil pH preferences and nutrient requirements than blueberries.

These plants typically prefer neutral to slightly alkaline soil conditions, which can negatively impact the growth and health of blueberry bushes.

Nightshades may compete with blueberries for resources and limit their overall productivity.

Creating a Successful Blueberry Companion Planting System

To create a successful blueberry companion planting system, consider the following tips:

  1. Plan your garden layout: Take into account the growth habits, sunlight requirements, and spatial needs of both blueberries and their companion plants. Ensure that taller plants do not shade out the blueberry bushes and that there is sufficient space for each plant to thrive.
  2. Test and amend the soil: Conduct a soil test to determine the pH level and nutrient content of your soil. Adjust the pH if necessary to create an acidic environment suitable for blueberries. Incorporate organic matter, such as compost or well-rotted manure, to improve soil structure and nutrient availability.
  3. Choose the right companion plants: Select companion plants that have similar soil and environmental requirements as blueberries. Consider their growth habits, flowering times, and pest-repellent properties. Aim for a diverse mix of plants to enhance biodiversity and attract a wide range of beneficial insects.
  4. Plant in the right location: Ensure that your blueberry bushes and companion plants receive adequate sunlight, water, and air circulation. Plant taller companions on the north side of blueberry bushes to provide shade during the hottest part of the day. Avoid overcrowding to prevent competition for resources.
  5. Mulch and weed regularly: Apply mulch around blueberry bushes and companion plants to conserve soil moisture and suppress weed growth. Mulching also helps maintain a uniform soil temperature and provides insulation during winter months. Regularly remove weeds to reduce competition and improve overall plant health.
  6. Monitor and address pest issues: Keep an eye on pest populations and take appropriate measures to control them. Use organic pest control methods whenever possible, such as handpicking pests, introducing beneficial insects, or using insecticidal soaps. Regularly inspect plants for signs of disease or nutrient deficiencies and address any issues promptly.
  7. Prune and maintain: Regularly prune blueberry bushes to remove dead or diseased wood, improve air circulation, and promote new growth. Follow proper pruning techniques to ensure the longevity and productivity of your blueberry plants. Provide adequate water and fertilization based on the specific needs of each plant.


Companion planting is a valuable technique in maximizing the growth, productivity, and health of blueberry bushes.

By carefully selecting the right companions, you can create a thriving garden ecosystem that supports the specific requirements of blueberries.

From soil enhancement and pollination to pest management and aesthetic appeal, companion plants play a crucial role in creating a sustainable and bountiful blueberry garden.

Furthermore, you can enhance the overall beauty and biodiversity of your outdoor space.


Can blueberry companion plants be grown in containers?

Yes, many blueberry companion plants, like strawberries, thyme, basil, and heather, can be grown in containers alongside blueberries. This provides flexibility for those with limited garden space, allowing you to enjoy the benefits of companion planting on a smaller scale.

Can blueberry companion plants be used for other crops as well?

Yes, many blueberry companion plants, such as thyme, have pest-repellent properties that can benefit other nearby crops. Integrating these plants into your garden design can contribute to the overall health and success of various plants.

How do companion plants contribute to overall garden health?

Companion plants play a crucial role in improving garden health by attracting beneficial insects, deterring pests, and enhancing pollination. They create a diverse and resilient ecosystem that minimizes the need for synthetic pesticides and fosters natural growth.

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