How-to guide

How to grow raspberries, blackberries and blueberries

Home-grown berries are one of the most rewarding investments you can make in a garden — plant well once, and a well-managed cane or blueberry plant will produce for years. This guide covers the key differences between types, how to plant and prune cane fruit, why blueberries need acid soil, and how to protect and preserve your harvest.

Berries are one of the few crops where the initial setup pays dividends for years. Get the planting and conditions right, and raspberries, blackberries and blueberries will come back reliably season after season with very little ongoing effort beyond pruning and picking.

Summer vs autumn raspberries — and the pruning difference

Raspberries come in two distinct fruiting types, and knowing which you have is essential because their pruning regimes are completely different. Getting this wrong is the most common mistake with raspberries, and it results in either removing all your fruiting wood or leaving a tangle of old canes that reduces yields and promotes disease.

Summer-fruiting raspberries (also called floricane varieties) produce fruit in early to midsummer on canes that grew the previous year. The biology is: year one, a new cane grows from the ground (green, often called a primocane); year two, that same cane turns brown, flowers and fruits (now called a floricane); after fruiting, it dies and should be removed. The new green canes that grew alongside it during the fruiting year are next year's fruiting canes. Good summer varieties include 'Glen Ample', 'Cascade Delight', 'Tulameen' and 'Malling Jewel'.

Autumn-fruiting raspberries (primocane varieties) fruit at the tips of the canes they produce in the same year — usually from late summer into autumn. The simplest management is to cut all canes to ground level during late winter dormancy each year. New canes grow from spring onwards and fruit at their tips by late summer. This produces a manageable, uncomplicated system. Popular varieties include 'Autumn Bliss', 'Polka', 'Joan J' and 'Himbo Top'.

Pruning summer raspberries: after the last fruits are picked, cut all the canes that fruited (the old, brown, woody ones) to ground level. Select the strongest of this year's new green canes — typically four to six per plant — and tie these to the wire supports; these will fruit next summer. Remove any surplus new canes and any that are very thin, damaged or growing too far out of the row.

Pruning autumn raspberries: during late winter, cut all canes to ground level. New growth will emerge from the roots in spring and fruit that season. This is all that's needed. Alternatively, leave the strongest canes unpruned and they'll fruit early in summer on the previous year's tip growth, followed by the fresh new cane growth fruiting again in autumn — effectively a double crop, though this requires slightly more careful management.

Blackberries and hybrid berries

Blackberries are vigorous, thorny (though thornless varieties are widely available), productive and very easy to grow. They're also extremely cold-hardy in most climates. Their main requirement is space — the long, arching canes of a standard blackberry plant will easily span several metres and need firm support.

Blackberries fruit on the previous year's canes (floricanes), like summer raspberries. After the harvest, cut all the fruited canes to the base and tie in this year's new growth. The fan training system — spreading canes evenly along horizontal wires — works well for blackberries and keeps the planting tidy.

Hybrid berries — tayberry, loganberry, boysenberry, marionberry and others — are crosses between raspberries, blackberries and occasionally other species. They're treated much like blackberries in terms of pruning and support. Most hybrids have a more complex, aromatic flavour than either parent and make exceptional jam, wine and preserves.

  • Thornless varieties are strongly recommended if you have children or if the plants are in a prominent location. 'Loch Ness' and 'Waldo' are popular thornless blackberries with good yields.
  • Compact varieties such as 'Reuben' and 'Black Cascade' are more suitable for smaller spaces and containers than the standard vigorous types.

Planting canes: supports and spacing

Cane fruit is most commonly sold as bare-root plants during the dormant season (late autumn to early spring), which is also the best time to plant them. Container-grown plants are available year-round but cost more. Either works; bare-root plants are excellent value and establish well if planted and watered correctly.

  1. Prepare the site and remove perennial weeds. Dig the planting area thoroughly, removing every fragment of perennial weed root — especially bindweed, couch grass and ground elder. These are almost impossible to remove once canes are established, and they compete seriously for water and nutrients over many years. Work in a generous amount of well-rotted compost.
  2. Install a post-and-wire support system before planting. Knock in sturdy wooden or metal posts at each end of the row (and every 3–4 m along a long row), then string horizontal galvanised wires between them at approximately 60 cm, 90 cm and 120–150 cm above the ground. Installing this before planting avoids disturbing roots later.
  3. Plant bare-root canes at the correct depth. Dig a planting trench or individual holes. The uppermost roots should sit approximately 5–8 cm below the surface. Fan the roots out gently, backfill and firm the soil around the roots.
  4. Cut canes back after planting. For summer raspberries and blackberries, shorten newly planted canes to about 25–30 cm. This encourages the plant to put its initial energy into building a strong root system and producing new canes, rather than trying to support a long shoot from the start. It looks severe but produces a much stronger plant.
  5. Apply a generous mulch. Spread compost, wood chip or straw along the row, a few centimetres deep, keeping it away from the canes themselves. This retains moisture, suppresses weeds and, as it breaks down, improves soil structure.
  6. Tie in new growth as it develops. Through spring and summer, tie new canes loosely to the wire supports as they reach each tier. This keeps plants upright, prevents wind damage and improves airflow through the planting.

Spacing: summer raspberries 40–50 cm apart in rows 1.5–2 m apart. Autumn raspberries can be slightly closer — 40 cm apart works well. Blackberries and hybrid berries need much more room: at least 2–3 m between plants, more for vigorous varieties. Thornless 'Loch Ness' can be grown at 2 m; a vigorous 'Himalayan Giant' needs 3 m or more.

Blueberries and the acid soil requirement

Blueberries are genuinely delicious home-grown fruit — the berries are sweeter, more aromatic and more complex in flavour than most of what's available commercially — but they have one non-negotiable requirement that trips up many gardeners: they need acidic soil, with a pH of around 4.5–5.5. This is significantly more acidic than most garden soils.

In soils that are neutral or alkaline (pH 6.5 or above, which is common in much of the UK, parts of Europe and many regions worldwide), blueberries cannot access certain nutrients properly. The result is poor growth, yellowing leaves (especially between the veins — a classic iron deficiency symptom), failure to thrive and eventually decline. Plants can linger for years in unsuitable soil without ever really flourishing.

The solution for most gardeners is to grow blueberries in containers of ericaceous (acid) compost. This removes the soil pH problem entirely and lets you give the plants exactly the conditions they need.

  • Container size: blueberries are slow-growing but long-lived shrubs. Start in a 30–40 litre container and pot on every few years as the plant fills its pot. Large blueberry plants in 60–80 litre containers are productive and look attractive.
  • Compost: use ericaceous (acid) compost — standard multipurpose compost is too alkaline. Top-dress containers with fresh ericaceous compost each spring.
  • Water: tap water in many areas is alkaline and, over time, will raise the pH of the compost in your containers. Use collected rainwater for blueberries wherever possible. Even occasional use of tap water in hard-water areas can slowly alkalise the compost. Our guide to rainwater harvesting covers how to collect and store rainwater easily.
  • Varieties: you need at least two different varieties for cross-pollination and good fruit set (some varieties are self-fertile but crop better with a partner). Popular varieties include 'Bluecrop', 'Duke', 'Sunshine Blue' (compact), 'Top Hat' (very compact, good for containers), 'Chandler' (large fruits) and 'Spartan'. Choose varieties with different ripening times to extend the harvest season.
  • In-ground blueberries: in genuinely acid soils — woodland areas, moorland edges, regions with acidic bedrock — blueberries can be grown directly in the ground. Amend the planting area generously with acidic materials such as ericaceous compost, composted pine bark or sulphur chips to lower pH. Test the soil pH before planting and again seasonally.

Mulching and watering

Cane fruit and blueberries have different root architectures but share a preference for consistently moist, well-drained soil. Both suffer in extremes — waterlogging and drought both reduce yields and can damage the plants.

  • Raspberries and blackberries: their roots run widely and relatively shallowly. A generous mulch of wood chip, composted bark or straw along the row keeps moisture in, suppresses competing weeds and improves soil structure as it breaks down. Renew mulch annually. Water during extended dry spells, especially when canes are establishing in their first season and when fruits are swelling.
  • Blueberries: they have very fine, fibrous surface roots and are more sensitive to waterlogging than cane fruit. Ensure containers have adequate drainage holes. Keep the compost consistently moist but not saturated. Blueberries in containers dry out faster than those in the ground and may need watering every day in hot weather.
  • Acidic mulches for blueberries: pine needle mulch or composted pine bark applied around in-ground blueberries helps maintain soil acidity over time.

Netting from birds

Birds, particularly blackbirds, thrushes, starlings and wood pigeons, will strip ripe berries very quickly if given the opportunity — sometimes clearing a day's crop overnight. Netting is the most effective physical protection.

  • Use fine-mesh bird netting draped over a simple frame of hoops or stakes. Make sure the net hangs at least 30–40 cm away from the fruit so birds can't reach through to peck at berries from outside.
  • Check the netting regularly to ensure no birds have become trapped inside or caught in the mesh — this is both distressing and counterproductive for garden wildlife.
  • A permanent fruit cage — a frame of posts and wire with netting sides and a removable net roof — is a worthwhile investment if you grow significant amounts of soft fruit. The roof can be removed in winter to allow birds to help with pest control.
  • Some gardeners find that reflective tape, old CDs or other visual deterrents provide some protection, though birds often habituate to these over time.

Netting isn't the only answer. Birds are also valuable allies — they eat enormous numbers of insects, slugs and caterpillars throughout the year. Our wildlife-friendly garden guide looks at how to find a balance between protecting your fruit and supporting the birds and other wildlife that make a garden healthy.

Netting safety: always use netting with a mesh small enough that birds cannot push their heads through (typically 20 mm or less). Larger mesh netting causes birds to become trapped and can injure or kill them. Check nets after windy weather, which can loosen fixings and create gaps.

Feeding cane and bush fruit

Established berry plants are not as hungry as annual vegetables, but they do benefit from annual feeding, particularly as they come out of dormancy and begin new growth.

  • Cane fruit (raspberries, blackberries): apply a balanced granular fertiliser along the row each spring as growth begins. Some growers use a high-potassium feed (such as a tomato fertiliser) in late spring to encourage good fruit production. Avoid heavy nitrogen feeds on established cane fruit, as they promote excessive leafy growth at the expense of fruit and can make plants more disease-prone.
  • Blueberries: use a fertiliser formulated for ericaceous plants or one specifically designed for blueberries. Avoid standard fertilisers, which are often formulated for neutral-to-alkaline soil conditions. Sulphate of ammonia is a traditional feed for blueberries that provides nitrogen in a form that also slightly acidifies the growing medium. Apply in spring as growth begins and optionally again after flowering. Do not overfeed — blueberries are slower-growing plants and don't need or benefit from heavy feeding.
  • Compost: a top-dressing of well-rotted compost along cane fruit rows in spring provides a slow, steady supply of nutrients and improves soil structure. For blueberries in containers, top-dress with fresh ericaceous compost annually.

Propagation and expanding your patch

Berry plants propagate themselves readily, and once you have established plants you can increase your stock considerably without buying more. This is one of the genuine joys of growing perennial fruit.

  • Raspberry suckers: raspberries naturally produce underground runners that send up new canes, often at some distance from the parent plant. Dig up these rooted suckers carefully in autumn or early spring while dormant, severing the underground connection to the parent, and replant. They establish quickly and will fruit within a season or two.
  • Tip layering blackberries: blackberries propagate very easily by tip layering. In late summer, select a long, healthy shoot and bend the growing tip down to the soil. Bury the tip about 10–15 cm deep, and weigh it down with a stone or wire staple. By the following spring, it will have rooted. Sever the connection to the parent plant and dig up the rooted tip to transplant.
  • Blueberry cuttings: blueberries can be propagated from softwood or hardwood cuttings, but they're slower to root than cane fruit and require acidic rooting medium. For most home growers it's simpler and faster to buy additional named varieties, but if you want to try, take 10–15 cm semi-ripe cuttings in midsummer and root them in a pot of ericaceous compost and perlite.

Harvesting and preserving a surplus

When berries are ripening, visit the plants regularly — every day or two for raspberries at peak season. Ripe raspberries part easily from the central plug when ready; if you have to tug, they need another day. Blackberries should be plump, black and just beginning to soften. Blueberries should be completely blue (no red tinge at the base), with a slight bloom on the skin, and sweet rather than tart.

  • Pick into shallow containers to prevent the fruit at the bottom being crushed under the weight above. A punnet or basket rather than a deep bucket.
  • Fresh raspberries and blueberries keep for only a day or two in the refrigerator. If you have a glut, freeze them promptly: spread in a single layer on a tray, freeze until solid, then transfer to bags or containers. They keep well frozen for many months and are excellent for smoothies, baking and sauces.
  • Blackberries make outstanding jam, jelly, wine, cordial and fruit leather. Their seeds can make jam feel grainy to some people — pressing through a jelly bag produces a seedless juice.
  • Blueberries freeze particularly well and retain flavour and texture better than many other berries once thawed.

Our food preservation guide covers freezing, jam-making, dehydrating and other ways to make the most of a berry surplus so none of it goes to waste.

Berry-growing checklist

  • Identify whether raspberries are summer-fruiting or autumn-fruiting — the pruning approach is completely different.
  • Remove all perennial weeds from the site before planting — they are almost impossible to remove once canes are in.
  • Install post-and-wire supports before planting to avoid disturbing roots later.
  • Plant bare-root canes at the correct depth (uppermost roots 5–8 cm below the surface) and cut back after planting.
  • Mulch along the row generously to retain moisture and suppress weeds.
  • Grow blueberries in ericaceous compost in containers for most reliable results.
  • Water blueberries with collected rainwater to avoid slowly alkalising the compost.
  • Net fruit before it ripens — once birds find a crop, they'll be back every day.
  • Check nets regularly for trapped birds and repair gaps promptly.
  • Feed with a balanced fertiliser in spring; use ericaceous or acid-formulated feed for blueberries.
  • Harvest frequently once fruit begins to ripen; freeze surpluses promptly.
  • Propagate by digging up raspberry suckers or tip-layering blackberries to expand your plot for free.
Questions

Growing berries FAQ

How do I prune raspberries?

The approach depends on your raspberry type. Summer-fruiting raspberries fruit on canes that grew the previous year. After fruiting, cut the old fruited canes (now brown and woody) to ground level. Tie the new green canes that grew alongside them to your supports — these will fruit next summer. Autumn-fruiting raspberries fruit on canes they produce the same year. The simplest approach is to cut all canes to ground level during late winter dormancy; new growth from spring onwards will fruit that autumn.

Why won't my blueberries thrive?

Almost certainly, the soil pH is too high. Blueberries need genuinely acidic conditions — pH 4.5 to 5.5. Most garden soils are too alkaline. Plants in unsuitable soil grow slowly, develop yellowing leaves (particularly between the veins) and fail to produce well. The solution for most gardeners is to grow blueberries in containers of ericaceous (acid) compost, and to water them with collected rainwater rather than mains tap water, which in many areas is slightly alkaline and will slowly raise the compost pH over time.

Do I need to net my berries?

Birds will eat ripe berries very quickly, so netting before harvest time is wise. Use fine-mesh netting over a simple frame, ensuring the mesh is small enough that birds can't push their heads through. Check the netting regularly for trapped birds. That said, birds are valuable pest-control allies throughout the rest of the year, so consider removing or opening nets when fruit isn't ripening — our wildlife-friendly garden guide has more on finding the right balance.

Can I grow berries in pots?

Blueberries are ideally suited to pots — for most gardeners in areas with neutral or alkaline soil, a container of ericaceous compost is the only reliable way to grow them. Raspberries can be grown in large, deep containers (at least 40–50 cm in each dimension) with a support, though yields will be lower than in the ground. Compact varieties like 'Ruby Beauty' are better suited to pots than vigorous standard types. Blackberries are very vigorous and generally not suited to container growing.

Ready to plant your berry patch?

A few canes or blueberry plants put in well now will give you years of summer harvests. The work is mostly at the start — then it's just picking, pruning and preserving.