May 23, 2025 Peter van Dijk

Pruning Blueberries

The Blueberry Plant, botanically known as Vaccinium corymbosum, is a beloved garden plant that not only adds ornamental value but can also yield an abundance of tasty and healthy berries. This fruit plant thrives in acidic soils and is therefore perfectly suited for many gardens. Whether you are a beginner garden enthusiast or have years of experience maintaining plants, correctly pruning blueberries is essential for strong growth and a good harvest. In this blog, you will discover exactly when and how to prune the blueberry, and what the best care is after pruning.

When to Prune Blueberries?

How to Prune Blueberries?

Proper pruning is essential for maintaining a healthy, strong, and productive blueberry bush. By pruning annually, you ensure that the plant not only remains compact and manageable but also produces new, fruitful shoots every year. Without regular pruning, the bush can become woody, overgrown, and eventually produce fewer berries. With a little knowledge and the right tools, pruning a blueberry bush is perfectly doable yourself – even if you are not an experienced gardener.

Below we explain step by step how best to proceed:

1. Use sharp and clean garden tools

Ensure your pruning shears or branch cutters are properly sharp for a clean cut.
Clean your tools beforehand with alcohol or hot water to prevent diseases.
A clean The cut heals faster and limits the risk of infection.

2. Remove old and thick wood

Cut off old, woody branches at the base; these are less productive.
You can recognize old wood by the thick, dull brown branches without young side shoots.
Remove 1 to 2 of the oldest main branches annually to stimulate rejuvenation.

3. Thin out the Berry Bush

Remove branches that grow inwards or cross each other.

Branches rubbing against each other cause wounds, which attract fungi.

An open structure allows more light and air into the heart of the plant.

4. Limit the height

Prune long branches back to an outward-facing side shoot.

A shrub of approximately 1.50 meters is manageable, stable, and easier to pick.

Shrubs that are too tall are susceptible to wind and more difficult to maintain.

5. Retain 6 to 8 main branches

Choose strong, well-distributed branches around the base of the shrub.

These main branches form the skeleton of the plant and bear most of the fruit.

New shoots that occupy a good spot can replace old ones.

6. Pay attention to flower buds

Young shoots with flower buds can be recognized by small thickenings.

When pruning, try to retain enough fruit buds for the harvest.

Branches without buds or with only leaf buds can be removed earlier.

7. Prune at the right time and with care

Preferably prune in February or March, before the sap flow starts.

Choose a dry, frost-free day to prevent fungal growth through pruning wounds.

Remove approximately 20 to 30% of the shrub per year to maintain the balance retain.

8. Extra tip: fertilize after pruning

Give the plant a boost after pruning with a fertilizer for acid-loving plants.

This supports the formation of new shoots and flower buds for the coming season.

By repeating these steps annually, your blueberry plant will remain compact, healthy, and bear fruit abundantly. Proper pruning means investing in the future of your plant.

Blueberry Care after Pruning

After pruning, the blueberry needs some extra attention to recover properly and stimulate new growth. You do this as follows:

Mulching – Apply a layer of mulch, such as pine needles, wood chips, or peat, around the base of the plant. This keeps the soil acidic and moist.

Fertilizing – Use a special fertilizer for acid-loving plants, such as rhododendron fertilizer, in early spring. This supports the growth of new shoots and flower buds.

Watering – Especially during dry periods, it is important to water the blueberry regularly. The roots must not dry out.

Checking for diseases and pests – After pruning, the plant is more susceptible to fungi and insects. Keep a close eye on the plant and intervene at the first signs of problems.

By applying this aftercare, you give the blueberry the best chance of a healthy growing season with a rich harvest of tasty berries.

A well-pruned blueberry is a productive, strong plant that can deliver delicious fruit for years. By pruning annually using the correct method and providing good care afterwards, you keep your Vaccinium corymbosum in top condition. Whether you have a single berry bush or a whole row in your garden, with these tips you will enjoy an abundant harvest year after year.