Growing Blueberries in Containers

best soil for blueberries

Good news! It's easy to grow blueberry bushes in containers on your deck or patio. That's a boon for small-space gardeners -- and it's fun to have the berries to pick at the outdoor breakfast table even when you have a blueberry hedge elsewhere in your yard. Blueberries are at the top of the health-boosting hit parade and they're popular with all ages. And species! Your dog may "pick" the ripe berries if you don't watch out.

beautiful wild blueberry closeup

Introduction to Growing Blueberries in Containers

Benefits of Growing Blueberries in Containers

Growing blueberries in containers is an excellent option for home gardeners, especially those with limited space or unsuitable soil. Blueberry plants thrive in acidic soil, which can be easily

achieved in containers using a mix of regular potting soil and organic matter like peat moss. Planting blueberries in containers allows for precise control over soil pH, ensuring optimal conditions for blueberry roots, which prefer acid soil. This method also makes it easier to move blueberry bushes to sunny spots or protect them from colder climates and late frosts.

Additionally, growing blueberries in containers simplifies the task of maintaining the shallow root system of these acid-loving plants, promoting healthy growth and abundant fruit production. With the right care, potted blueberry plants can successfully produce delicious berries, making them a rewarding choice for any home gardener.

A Person Picking a Blueberry

Overview of Container Gardening Basics

Container gardening is an accessible and flexible way for home gardeners to grow a variety of plants, including blueberry bushes. Blueberry plants are great container plants, particularly because they thrive in acidic soil, which can be easily managed in a pot.

When planting blueberries in containers, it's essential to use a soil mix that includes organic matter like peat moss and pine bark to maintain proper soil acidity. Ensuring the soil pH is optimal for these acid-loving plants is crucial for healthy growth and fruit production.

Potted blueberry plants need full sun and well-drained soil to produce delicious berries. Additionally, proper watering and regular soil testing can help ensure your blueberry plants grow and bear fruit successfully.

Blueberry - Top Hat 3.5"  (Mid Harvest) - Grow Organic Blueberry - Top Hat 3.5"  (Mid Harvest) Berries and Vines

Varieties that will live happily ever after in containers

Two blueberry varieties stay small and won't need extensive pruning to thrive in your containers: *  Northern Lowbush 'Top Hat' grows best in cold climates (USDA zones 3-7) *  Southern Highbush 'Sunshine Blue' also known as the Southern Patio Blueberry, it does well in warm climates (USDA hardiness zones 5-10) Blueberries have wide, shallow root systems. Place a bare root or a transplant into a 5-10 gallon container. After a couple of years, shift up to a wider container, such as a half wine barrel. All blueberries will grow well in a container, just make sure you select the varieties that are right for your growing zone. Northern Highbush varieties need plenty of cold weather and Southern Highbush varieties are great for mild winter areas. 

6-Pack Planting Containers for 1020 Tray - Standard 6-Pack Planting Containers for 1020 Tray - Standard (Sheet of 8)

Selecting the Ideal Container

Types of Containers Suitable for Blueberries

When selecting the ideal container for blueberry plants, it's essential to choose one that accommodates their shallow root system and need for acidic soil. Containers should have good drainage holes to prevent waterlogging, which can harm blueberry roots.

A soil mix containing equal parts peat moss, pine bark, and regular potting soil helps maintain the necessary soil acidity for these acid-loving plants. Planting blueberries in containers allows for easy control of soil pH, which is crucial for healthy growth and fruit production.

For optimal growth, place the containers in a sunny spot where blueberry bushes can receive full sun. Potted plants need ample space, so consider containers that are at least 18 inches in diameter to allow for proper blueberry plant spacing and to support the production of delicious berries.

Blueberry Pot (14" sq) - Grow Organic Blueberry Pot (14" sq) Growing

Size and Material Considerations for Containers

When selecting the ideal container for blueberry plants, size and material are crucial factors to consider. Blueberry bushes require ample space for their shallow roots, so choose containers that are at least 18 inches in diameter and 12 inches deep.

This ensures adequate blueberry plant spacing and supports healthy growth. Containers made from durable materials like ceramic, plastic, or wood are suitable, as long as they have drainage holes to prevent waterlogging.

Using a soil mix with equal parts peat moss, pine bark, and regular potting soil helps maintain the acidic soil pH necessary for blueberry plants. Position the containers in a sunny spot to ensure the plants receive full sun, promoting optimal fruit production and delicious berries.

Planting Blueberries in Containers

Best Time to Plant Blueberries

The best time to plant blueberries in containers is in early spring, after the last frost has passed. Blueberry plants thrive in acidic soil, so prepare a soil mix with equal parts peat moss, pine bark, and regular potting soil to maintain the necessary soil acidity.

Planting blueberries in containers allows you to control the soil pH and create the ideal environment for these acid-loving plants. Ensure proper blueberry plant spacing in the container to accommodate their shallow root system and promote healthy growth.

Place the containers in a sunny spot to provide full sun, which is essential for fruit production. With the right care, including regular watering and soil testing, you can successfully grow blueberries and enjoy delicious berries from your potted plants.

Step-by-Step Planting Instructions

  • Choose the Right Container: Select a container with drainage holes that is at least 18 inches in diameter and 12 inches deep to accommodate the shallow root system of blueberry plants.

  • Prepare the Soil Mix: Create an acidic soil mix using equal parts peat moss, pine bark, and regular potting soil. This mix ensures the necessary soil acidity for blueberry bushes to thrive.

  • Planting Time: Plant blueberries in early spring, after the last frost, to give them a full growing season to establish.

  • Planting Blueberries: Place the blueberry plant in the container, ensuring proper blueberry plant spacing. Fill in around the roots with the prepared soil mix, making sure the soil surface is level and the roots are well-covered.

  • Positioning the Container: Place the potted plants in a sunny spot that receives full sun, as this is essential for fruit production and producing delicious berries.

  • Watering and Maintenance: Water the blueberry plants regularly to keep the soil moist but not waterlogged. Use mulch like pine needles or wood chips to retain soil moisture and add organic matter as needed. Regularly check and adjust the soil pH to maintain the acidic conditions required for blueberries to grow and bear fruit successfully.

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Acid soil is a snap in a container

Is your soil alkaline? Growing acid-loving plants in containers, with an acid potting soil mix or a 50-50 mix of peat (not the sphagnum peat moss) and potting soil, is a simple solution to that problem. In our video, Growing Blueberries, Tricia creates a container soil mix of half organic potting mix and half Coco Peat (a sustainable alternative to peat moss). You can also use the prepared acid soil mixes sold for rhododendrons, azaleas, and camellias, but do not use any mixes that contain redwood sawdust as an ingredient. It is not recommended for blueberries. Smart Pots are a great choice for planting containers, and if you get one with handles, it is easy to move as well. Blueberries must have acid soil, pH 5.0 to 5.5. You should monitor the soil pH throughout the year with a pH test kit. Use fertilizers that will gently increase soil acidity, such as cottonseed meal or other Acid Mixes. Add fertilizer in small amounts from early spring to late summer according to the feeding instructions on the label.

Close-Up Photo of Water Coming out of a Spray Hose

Watering blueberries in containers

Soil in containers dries out quickly. Blueberries want damp soil, so water regularly (increasing water during any heat waves) and add a thick layer of mulch, a few inches away from the stems of the bush.

A cedar waxwing eating a berry

Keep the birds away

When the berries first appear, wrap the bush in some unobtrusive black bird netting.

Site and long-term care

Blueberries need full sun, but if they're on a patio or deck in a hot climate you should place them where they don't get blasted with late afternoon sun. 'Top Hat' and 'Sunshine Blue' will thrive in containers for their lives. Every 3 to 4 years change out the soil and root prune the plants to keep them the right size for your containers.

Managing Pests and Diseases in Containers

Common Pests That Affect Blueberries

Managing pests and diseases is crucial for healthy blueberry plants, especially when growing blueberries in containers. Common pests that affect blueberry bushes include aphids, spider mites, and blueberry maggots.

These pests can damage the blueberry plant by sucking sap from the leaves, causing yellowing, or by laying eggs in the fruit, leading to ruined berries. To control these pests, regularly inspect the plants and use natural predators or insecticidal soap as needed.

Maintaining acidic soil and proper soil pH helps keep the plants healthy, making them more resistant to pests. Ensuring good air circulation around the potted plants by spacing them appropriately and pruning crossing branches can also help prevent pest infestations and improve overall fruit production.

Plant infested by aphids

Organic Pest Control Methods

Managing pests and diseases in containers for blueberry plants can be effectively achieved through organic pest control methods. Utilizing natural remedies such as neem oil or insecticidal soap helps combat common pests like aphids or spider mites without harming beneficial insects.

For fungal diseases such as powdery mildew, applying a mixture of baking soda and water can mitigate their impact. Maintaining proper cultural practices such as adequate air circulation and watering at the base of plants rather than overhead can prevent disease development.

Additionally, regularly inspecting plants for signs of pests or diseases and promptly addressing any issues ensures healthy growth and a bountiful harvest of delicious blueberries.

blueberry fruit

Storing and Preserving Blueberries

Short-Term Storage Tips

When storing and preserving blueberries for short-term use, it's essential to keep them in the refrigerator to maintain their freshness and flavor. Store freshly picked blueberries in a shallow container lined with paper towels to absorb moisture and prevent berries from becoming soggy.

Avoid washing blueberries until right before eating to prevent them from spoiling quickly. Blueberries can also be frozen for longer storage; spread them in a single layer on a baking sheet and freeze until solid before transferring to a freezer bag or container.

Properly stored blueberries can last in the refrigerator for about 1-2 weeks and up to a year in the freezer, ensuring you can enjoy their sweet taste year-round.

Blueberry plant

Conclusion: Summary of Growing Blueberries in Containers

In conclusion, growing blueberries in containers offers a versatile and rewarding option for home gardeners, whether you have limited space or simply prefer the convenience of potted plants.

With the right soil mix and proper care, including regular watering, soil testing, and occasional fertilizing, container-grown blueberry bushes can thrive and produce delicious berries right on your patio or deck.

Choosing suitable varieties like 'Top Hat' or 'Sunshine Blue' ensures successful growth in different climates, while managing pests and diseases organically helps maintain plant health without compromising fruit quality.

Whether you're a beginner or seasoned gardener, cultivating blueberries in containers allows you to enjoy their nutritional benefits and delightful flavor throughout the growing season and beyond.

blueberry plant fruit

More information about the amazing blueberry

We have posts on growing and caring for for blueberries. Check out how to prune blueberries, and our blueberry Growing Guide. Reliable, research-based help comes in Growing Blueberries in the Sacramento Region by Chuck Ingels, Sacramento County Farm Advisor.

GROW BLUEBERRIES AND MORE IN CONTAINERS Don't stop with the blueberries: grow all kinds of fruits and vegetables in containers!

FAQs about growing blueberries in containers:

  • What are the benefits of growing blueberries in containers?

    • Growing blueberries in containers is ideal for gardeners with limited space or unsuitable soil conditions. It allows precise control over soil pH, essential for blueberries, and makes it easier to move plants to optimal sunlight or protect them from weather extremes.

  • Which blueberry cultivars are best for container gardening?

    • Varieties like 'Top Hat' (lowbush) and 'Sunshine Blue' (highbush) are well-suited for containers due to their compact size and adaptability to different climates.

  • How do I prepare garden soil for blueberries in containers?

    • Use an acidic soil mix with ingredients like peat moss, pine bark, and regular potting soil to maintain the pH level required for blueberries.

  • Do blueberry plants in containers produce fruit?

    • Yes, with proper care and maintenance, container-grown blueberry plants can produce abundant and flavorful berries.

  • Do blueberries require cross-pollination?

    • Some varieties benefit from cross-pollination to increase fruit production. Planting two different cultivars can improve pollination and berry yield.

  • What is the best location for container-grown blueberries?

    • Blueberries thrive in full sun, but in hot climates, they may benefit from partial shade to prevent stress from intense afternoon sunlight.

  • How do I lower the pH of soil for blueberries in containers?

    • Use soil acidifiers like sulfur or specialized acidic fertilizers to lower pH levels and create the acidic environment blueberries prefer.

  • Should I mulch container-grown blueberries?

    • Yes, mulching with materials like pine needles or wood chips helps retain soil moisture, regulates temperature, and adds organic matter to the soil.

  • How often should I test the soil pH for my container-grown blueberries?

    • Regularly test the soil pH using a pH test kit, especially before planting and during the growing season, to ensure it remains within the optimal range for blueberries.

  • Can I grow blueberries in raised beds instead of containers?

    • Yes, raised beds can also provide suitable conditions for blueberries, offering better drainage and soil control compared to traditional garden beds.

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2 comments

Rose, you can add some soil sulfur. Follow the directions on the label as you don’t want to overshoot and get too acidic. Adding a little at a time is best and rechecking the pH after a few weeks.

Suzanne

I have 3 blueberries in 25 Gallon containers and the soil is canadian peat moss, soil conditioner and perlite but the ph still above 6 and I don’t want those plants to die in the next couple years so my question is what I can do to lower the ph. Am trying to grow organic . I read and watch so many videos and they’ll say different things there not clear what can we do as buyers of blueberries

Rose

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