Blueberries are handsome, long-lived bushes with spring blossom, summer fruit and fiery autumn colour. They suit patios and allotments alike, but demand reliably acidic conditions. Growing two compatible varieties usually gives heavier crops, while a single well-kept bush remains rewarding for many years.

When and how to sow

Most British gardens have soil that is too alkaline, so plant in a spacious pot filled with ericaceous compost. Choose a sunny or lightly shaded, sheltered site and set bare-root or potted bushes out in autumn or spring. Keep the rootball at its original level and allow 1 m between plants. Pair varieties such as 'Duke' and 'Bluecrop' for improved pollination.

Care

Water regularly with collected rainwater, particularly while fruit is swelling; hard tap water gradually makes compost less suitable. Mulch the surface with pine bark to conserve moisture. From the third year, remove a few of the oldest stems in late winter, retaining vigorous young wood and an open shape.

Common problems

Birds can strip a crop quickly, so net bushes securely as berries begin to colour. Yellow leaves often indicate compost becoming insufficiently acidic or roots sitting wet. Improve drainage, avoid allowing pots to dry out, clear shrivelled fruit, and give bushes enough space for air to move.

Harvest

Pick from July to September, once berries are evenly blue and release with a gentle roll between finger and thumb. Leave newly coloured fruit on the bush for several days to develop sweetness. Gather every few days, refrigerate unwashed berries, and freeze any surplus promptly.

Growing Blueberries: frequently asked questions

When should I sow blueberries in the UK?

Most British gardens have soil that is too alkaline, so plant in a spacious pot filled with ericaceous compost.

What are common problems when growing blueberries?

Birds can strip a crop quickly, so net bushes securely as berries begin to colour.

When is blueberries ready to harvest?

Pick from July to September, once berries are evenly blue and release with a gentle roll between finger and thumb.

General guidance for UK home gardens and allotments. Reference figures are typical values; your exact timing depends on your region, last-frost date and variety. Page updated 18 Sep 2026.