How and When to Prune Blueberry Shrubs

Are you attempting to prune your blueberry bushes this season, but aren't sure where to start? Pruning can be more of an art form, especially with difficult shrubs like the blueberry. In this article, gardening expert Liessa Bowen walks through how to prune blueberry shrubs in just a few easy steps!

Gardener pruning blueberry shrub with red leaves


Blueberry bushes can be large or small, but eventually, they all start to look a bit messy. You may also notice that their berry productivity starts to wane over time. If your blueberry bushes have been around a while, you have probably watched them grow, flower, produce fruit, and spread. But when should they be pruned? And do they even need to be pruned?

After all, blueberries grow in the wild and do just fine without any pruning, right? In a garden setting, pruning your plants can be a really good thing. For one, it helps keep them looking nice. But more importantly, some thoughtful pruning and thinning of your plants can help keep them healthy and make them even more productive.

In this article, we will look at the benefits of pruning your blueberry bushes. You’ll also learn when to do it and how to do it. Pruning blueberries is a fairly simple process. With basic tools, a little planning, and a bit of time and effort, your bushes will be in top form and ready for next season’s blueberry crop!

Step 1: Make a Plan

Fresh blue and green fruits are growing on a shrub in the garden. There is foliage all around the fresh fruit.
Before you start pruning your blueberry bush, determine the proper purpose of the pruning.

Before you grab the nearest tool and start chopping randomly, it’s important to have a plan. Ask yourself these questions before you start pruning.

Questions to Ask:

    1. What is your ultimate goal?
    2. Is the bush too tall or too wide?
    3. Is it too close to something else?
    4. Do you see a number of dead branches?
    5. Are there many runners sprouting up from the ground?
    6. Are you hoping to increase fruiting productivity?

Have the answers to these questions in mind before you start pruning. Each question may influence the way you prune your shrubs.

Your primary goal is likely to keep your plants looking nice, while allowing you to harvest more blueberries next summer. After all, they make a great landscape shrub for both visual appeal and fruit productivity. If this is your goal, it’s a good one, you should plan for regular pruning and maintenance.

Once a year, plan to use the following steps to guide you as you remove the least productive twigs. This will help your blueberry plants thrive, look great, and grow more fruit.

Step 2: Prune at the Right Time

Gardener holding shears pruning shrub in garden. The shears have a blue rubber handle and they are pruning old branches in winter.
The most suitable time for pruning branches is the middle of winter when the bush is dormant.

Timing is important when pruning fruiting and flowering shrubs, including blueberries. Pruning should be done during the dormant season.

For blueberries, mid-winter is ideal, likely anytime from December through March in most climates. You probably will need to do pruning maintenance only once per year, unless you notice pests or diseases that need more immediate attention.

You will see flower buds on the dormant branches, but don’t worry about removing these. The goal of pruning is to increase the health and productivity of your bushes in the long run.

Removing the least productive canes in winter will increase production elsewhere on the bush in summer. Pruning allows you to control the growth pattern of your plants by selecting the healthiest and most robust canes that will ultimately produce the most fruit.

If you are just getting started with blueberries, you can even prune budding branches when you first set your plants in the ground. You should not expect or encourage your plant to produce fruit in the first year.

Instead, the plant needs to funnel its energy to the roots. This encourages strong root growth so it will become well-established and healthy. It may take a couple of years before your plant is fully fruiting, but with proper care and pruning, it will be worth the wait!

Step 3: Use the Right Tools

Gardener wearing white gloves with flowers on them is holding a pair of gardening shears. The gardener is pruning off the stem of the shrub.
Use sharp hand pruners to prune blueberries.

You don’t need any fancy tools to prune a blueberry bush. A set of sharp handheld pruning shears are really all you need. Since blueberries have fairly thin branches, you may not need anything larger, like loppers.

You can, of course, use loppers if you already have them; they may be handy for pruning thicker branches and reaching into larger bushes.

You certainly don’t need anything electric, you won’t need a saw, and you won’t need a ladder. Pruning a blueberry bush is pretty straightforward. Just make sure your tools are sharp and sterilized. Your goal should be to make a nice clean cut with each pruning. Ragged cuts can damage the bush, invite disease, and simply not look as nice.

Step 4: Select Branches & Prune

Gardener is holding a shrub, and is pruning off parts of the plant that are red in color. The shrub is coming out of winter and has red foliage. The gardener is wearing grey gloves, with black fingers and a green ring at the base of the glove.
Remove the weakest and most unwanted branches to focus the plant’s energy on the crown.

It is important to know which branches to remove and which to keep. Blueberries are fruiting woody shrubs and their branches are often referred to as “canes.” Your goal with regular pruning should be to maintain a strong central crown and remove the weakest, smallest, and least productive branches.

Identify the main crown of the plant. The crown will include the main canes that originate from the root mass at the center of the plant. Consider the crown of the plant to be the heart of its branching growth.

As the plant grows, the central crown area will gradually expand and your primary fruit-producing canes will become both taller, stronger, and more abundant. You will still need to prune regularly because a blueberry plant in optimal conditions will continue to grow each year and will benefit from active management.

Which Branches Should You Prune?

In each dormant cycle, you will want to selectively remove the weakest and least desirable branches. By focusing the plant’s energy to the crown, growth and nutrients will be directed to the healthiest and strongest center canes closest to the crown.

Some examples of branches that should be pruned from the blueberry shrub include:

Dead and Diseased Branches

Blueberries are densely growing shrubs with many small branches. Every year, you will probably notice a few smaller branches with no leaves or buds. Smaller twiggy branches die back frequently, or they may simply fail to thrive.

Freely prune these back to a thicker healthy cane stem. Blueberries tend to be fairly disease resistant, but if there are branches that appear to be dead, diseased or infested with insects, these can be pruned back to the nearest healthy stem.

Branches Too Close to the Ground

Some branches will end up growing low and close to the ground. Other branches will have a tendency to grow long and curve down towards the ground.

Prune both of these types of branches to allow your bush to be most productive with higher branches that receive better airflow and more sunlight. Prune these low-lying canes back to their connection with a larger, more upright cane.


“Crossovers” are canes that may meander and tangle through the bush. These crossover canes may touch several other branches and are considered less desirable to keep.

Prune these crossovers all the way back to their base connection with a larger stem. This allows the remaining canes better light and better air circulation, which leads to better fruiting. It also helps the bush look better.

Tiny Branches

As a blueberry plant ages, canes will grow from their thickest central point into smaller and smaller branches. If each of these branches is allowed to grow, flower, and fruit, your plant will end up making a number of smaller and weaker berries on very small, crowded, and unproductive branches.

Prune back the smallest twiggy branches to redirect the plants’ energy to larger and stronger canes.


Some blueberry plants will start spreading by underground runners. If your goal is to create a blueberry hedgerow, you can leave these, or prune a few if they seem too close together. However, if your goal is to cultivate a plant with maximum fruit production, it’s best to remove these runners. Simply cut them at the base where they emerge from the ground.

It can be hard to remove the growth from a thriving bush, but it is important to remember that it is necessary for the health and vitality of the shrub. Once you have selected the weakest, least desirable branches of the blueberry shrub, you can then move on to the next step.

Step 5: Focus on Productivity

Gardener wearing a long sleeve green shirt is holding a pair of red and black pruning shears. They are pruning the base of a blueberry shrub and removing the dead branches.
If you want your blueberry bush to be more productive, then cut it quite seriously without worrying about dormant flower buds.

It may seem counterproductive to trim off so many branches, especially when you see them covered with dormant flower buds, but there’s no need to worry. If you are trying to help your blueberry bush be as productive as possible, you will need to do some fairly heavy pruning.

You can expect to regularly trim off many flower buds each time you prune, and you may wonder if that’s okay. It is! By focusing the plant’s energy on the thickest and most robust canes, your plant will produce both larger berries and larger clusters of berries.

Final Thoughts

For anyone who loves blueberries, these fruiting shrubs are a rewarding addition to a sunny landscape. With a little planning and preparation, blueberry plants are easy to grow. Pruning will help them look their best and reach maximum productivity.

Effective pruning will remove dead and diseased branches, crossovers, and runners. Your pruning efforts should also remove thinner and less productive branches, as well as those branches that are simply overgrown or misshapen. With a bit of regular maintenance, your blueberry bushes will reward you with an abundance of sweet, ripe, juicy berries for years to come!

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