Blueberry header image

How to prune blueberries

There’s nothing quite like the tangy flavour of a fresh blueberry and the best way to ensure a good crop of large, plump fruit is effective pruning. It’s also essential if you’re growing blueberries in a container and want to keep your blueberry plants at a manageable size. Here’s our step-by-step guide to pruning a blueberry bush...

When to prune a blueberry bush

Fruiting blueberry trees ready for pruning
Fruiting buds are rounder than leaf buds so you can easily spot the stems with more fruit
Image: Thompson & Morgan

Pruning is best carried out in February or early March when the plants are dormant. At that time of year, it’s easy to spot the fat buds that will produce fruit against the much smaller and thinner leaf buds. Take this into account when choosing what to cut and what to leave.

Blueberries fruit best on young wood so pruning should be used to slowly rejuvenate a plant by removing a proportion of the older branches every year. You’re aiming for a good balance of wood that’s between one and three years old. Mature bushes should have equal quantities of old, middle and new growth.

How to prune a blueberry bush

Cutting back old stems on blueberry plants
Cut back the oldest stems each year with clean secateurs
Image: Thompson & Morgan
  • • For the first two years, the aim of pruning is to create a bush with an open shape that allows air to circulate – think wine goblet. 

  • • Remove branches that are crossing or rubbing against each other to prevent future disease.

  • • Blueberry bushes sometimes produce horizontal growth close to the ground and this should be pruned off, particularly if the branches are touching the earth.

  • • Take out any damaged or diseased stems and any that have died back due to cold weather. Remove all of them to a healthy bud. Spindly growth at the end of last year’s fruiting stems should also be taken back to stronger growth.

  • • On more mature plants, take out no more than a quarter of the oldest branches. These need cutting back to the ground to make way for new growth.

Pruning your blueberry bush every year keeps it in good shape and continually rejuvenates the plant by encouraging it to produce healthy new growth. Watch our short video on how to prune a blueberry bush for a quick recap.

Mandy Bradshaw, chatty gardener, gardening expert

Written by: Mandy Bradshaw, the Chatty Gardener

Cotswold-based Garden Media Guild member, Mandy Bradshaw, is also known as the Chatty Gardener. Passionate about gardening and writing, her beginnings are in football reporting for her primary school, and Mesembryanthemum planting with her mother. Winner of the 2018 Property Press Awards 'Garden Journalist of the Year', she writes for not only her own blog but also a range of newspapers, magazines and other gardening and non-gardening sites.

Banner image: JoannaTkaczuk/ Shutterstock

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