Raspberries are one of the most rewarding soft fruits you can grow in a UK garden or allotment. They’re hardy, generous with their crops, and taste miles better than anything you’ll find in a supermarket punnet. Best of all, once established, they’ll keep coming back year after year with very little fuss.
The real “secret” to raspberries lies in understanding their two main types — summer-fruiting and autumn-fruiting — and pruning them correctly. Get that right, and you’re well on your way to bowlfuls of juicy berries for years to come.
Choosing the Right Raspberry Type
Raspberries come in two main flavours of growing habit:
- Summer-fruiting raspberries (floricanes): These crop in June and July on canes that grew the previous year. They need supports (posts and wires) and careful pruning.
- Autumn-fruiting raspberries (primocanes): These crop from late August through to October on the current year’s canes. They’re easier for beginners, needing less training and simpler pruning.
How to tell which you have: If your plants produce fruit in midsummer, they’re summer-fruiting. If they crop from late August into autumn, they’re autumn-fruiting.
For new gardeners, I always suggest autumn varieties such as ‘Autumn Bliss’ or ‘Polka’ — reliable, tasty, and almost foolproof.
Pruning Basics (The Big Secret to Raspberries)
If there’s one thing that confuses beginners, it’s pruning. But really, it boils down to this:
- Autumn raspberries: Cut all the canes down to ground level in late winter (Feb). Fresh canes will shoot up in spring and fruit later that same year.
- Summer raspberries: After they finish fruiting, cut out the old, fruited canes at ground level. Tie in the new green canes, as these will carry next year’s crop.
That’s it. Get pruning right, and your raspberries will thrive.
Planting Raspberries
When to plant: The best time is from November to March, while plants are dormant. October is fine too, especially in milder parts of the UK.
Soil and position: Raspberries love a sunny, sheltered spot with well-drained, fertile soil. They don’t like sitting in waterlogged ground. Work in plenty of garden compost or well-rotted manure before planting.
Spacing: Plant canes 45–60 cm apart in rows, with about 1.8 m between rows. Summer raspberries need wires or posts to support the tall canes. Autumn types are shorter and can often manage without.
Looking After Raspberry Canes
- Watering: Keep them well-watered in dry spells, especially in their first year and while fruit is swelling.
- Feeding: A mulch of compost in spring keeps moisture in and adds nutrients. A high-potash feed (like tomato fertiliser) can boost fruiting.
- Weed control: Raspberries hate competition, so keep the base of canes weed-free.
- Spreading: They love to send up suckers (new shoots). You can either dig them out to keep plants tidy, or use them to start a new row.
Getting the Best Harvest
- More fruit: Keep canes well-spaced so light and air can reach them. Overcrowding leads to fewer berries.
- Bird protection: Blackbirds and thrushes adore raspberries. Use netting if you don’t fancy sharing too much.
- Cropping twice a year? Some autumn varieties, if you don’t prune in winter, will fruit lightly in early summer and again in autumn. But yields are better if you prune as recommended.
The Raspberry Year (Seasonal Care)
Winter (Jan–Feb): Prune. Autumn types — cut everything down. Summer types — remove only the old canes. Add a mulch of compost or manure.
Spring (Mar–May): Tie in new summer canes, water during dry spells, and keep weeds down.
Summer (Jun–Jul): Harvest summer raspberries. As soon as a cane finishes fruiting, cut it out to the ground.
Autumn (Aug–Oct): Harvest autumn raspberries. Cut down all canes once fruiting ends.
Harvest and Yields
- When to pick: Raspberries are ready when they pull away easily from the core. Pick every couple of days in peak season.
- How much per plant: A well-cared-for cane can yield 200–300 g of fruit. With several canes, you’ll quickly fill tubs.
- Storing: Best eaten fresh, but they freeze beautifully. Lay them on a tray to freeze, then bag them — perfect for winter crumbles.
My Three Key Tips
- Prune properly — the single most important job.
- Feed and mulch each spring to keep plants healthy.
- Give support and space so canes can fruit to their full potential.
Get those right, and you’ll enjoy bumper crops of raspberries year after year. Once established, they really do look after themselves — and nothing beats a bowl of homegrown raspberries with a dollop of cream on a summer’s afternoon.