Gardeners Guide · Grow your own
Blackberries are one of the easiest soft fruits to grow in a UK garden.
They’re hardy, productive and relatively low-maintenance, and once established, a healthy plant can provide generous harvests for many years.
You also don’t need to grow the huge, thorny brambles you might associate with hedgerows.
Modern garden varieties include compact and even thornless blackberries, making them much easier to manage in smaller spaces.
In this beginner’s guide, we’ll cover how to grow blackberries in the UK, where to plant them, how to train and prune the canes, watering, feeding, harvesting and the most common problems to watch for.
Blackberries at a Glance
| Blackberries | |
|---|---|
| Plant | Autumn to spring |
| Harvest | July–October, depending on variety |
| Position | Full sun or partial shade |
| Difficulty | Easy |
| Spacing | Around 1.5–3m depending on variety |
| Containers | Yes, with compact varieties |
| Soil | Fertile, moisture-retentive and well drained |
| Watering | Important while establishing and fruiting |
| Feeding | Usually once a year |
| Pruning | Annually after fruiting |
| Support | Recommended |
| Lifespan | Many years |
Why Grow Blackberries?
Blackberries are a brilliant choice for beginners because they’re much easier than many fruit crops.
They’re:
- Hardy
- Reliable
- Productive
- Suitable for colder parts of the UK
- Easy to train against fences and walls
- Available in thornless varieties
- Good for freezing
- Excellent for wildlife
Fresh blackberries are also incredibly versatile.
You can use them in:
- Crumbles
- Pies
- Jam
- Smoothies
- Yoghurt
- Cakes
- Sauces
- Freezer mixes
And, of course, they’re excellent eaten straight from the plant.
Garden Blackberries vs Wild Blackberries
Wild blackberries are found everywhere across the UK.
They’re vigorous, thorny and often spread aggressively.
Garden varieties have been bred to be more manageable.
Many are:
- Thornless
- More productive
- Larger-fruited
- Easier to train
- Better suited to smaller gardens
If you’re planting specifically for fruit, a named garden variety is generally much easier to control than allowing a wild bramble to take over.
When to Plant Blackberries in the UK
Blackberries are best planted during:
autumn to early spring
while conditions are cool and the plants are not under heat stress.
Bare-root plants are commonly planted between:
November and March.
Container-grown plants can be planted through much of the year, but autumn and spring are still the easiest times.
Avoid planting when the ground is:
- Frozen
- Waterlogged
- Extremely dry
Where Should You Grow Blackberries?
Blackberries grow best in:
full sun or light shade.
A sunny position usually produces the sweetest and largest crops.
However, blackberries tolerate partial shade better than many fruiting plants.
That makes them useful in gardens where the sunniest spaces are limited.
Choose a position with:
- Good drainage
- Fertile soil
- Room for canes to spread
- Access to support
A fence or wire framework works particularly well.
How Much Space Do Blackberry Plants Need?
This depends heavily on the variety.
Compact types may need only around:
1.5m of space.
More vigorous varieties may require:
2–3m or more.
Always check the plant label.
This is important because blackberry plants can become large.
Don’t plant a vigorous variety in a narrow corner and expect it to remain compact.
Preparing the Soil
Blackberries aren’t overly fussy, but they grow best in fertile soil.
Before planting, improve poorer ground with:
well-rotted compost or organic matter.
The ideal soil is:
- Fertile
- Moisture-retentive
- Well drained
Avoid permanently waterlogged positions.
Blackberries are tough, but they don’t like sitting in saturated soil for long periods.
How to Plant a Blackberry
Dig a hole large enough to comfortably accommodate the root system.
Place the plant at approximately the same depth it was growing previously.
Spread the roots naturally if planting bare-root stock.
Backfill with soil.
Firm gently.
Water thoroughly.
Apply mulch around the base.
If the plant has long canes, attach them loosely to the support.
Should Blackberries Be Supported?
Yes, in most gardens I’d recommend it.
Support makes blackberries:
- Easier to manage
- Easier to harvest
- Easier to prune
- Better ventilated
- Less likely to sprawl across paths
A simple wire system works extremely well.
How to Support Blackberry Canes
Fix horizontal wires between sturdy posts or onto a fence.
A simple system might use wires at approximately:
60cm, 120cm and 180cm high.
Tie the canes loosely to the wires.
Use soft garden ties rather than anything that can cut into the stems.
As new canes grow, train them onto the support.
Thornless Blackberries
Thornless blackberries are ideal for most home gardens.
They’re much easier to:
- Prune
- Tie in
- Harvest
- Grow near paths
Traditional thorny varieties can still produce excellent fruit, but they’re considerably less pleasant to handle.
For a beginner, I’d usually choose a thornless variety unless there’s a particular reason not to.
How Blackberries Fruit
Understanding the canes makes pruning much easier.
Traditional blackberry plants usually produce:
new canes one year
then
fruit on those canes the following year.
Those fruiting canes are often called:
floricanes.
The new first-year canes are known as:
primocanes.
Once a floricane has fruited, it usually won’t fruit again.
That means it can be removed.
The Simple Blackberry Pruning Rule
The easiest rule to remember is:
Cut out the canes that have fruited and keep the new ones.
After harvest, you’ll usually have two types of cane.
Old fruiting canes
These have just produced berries.
Cut them down to ground level.
New green canes
These haven’t fruited yet.
Keep them and tie them onto the support.
They’ll produce next year’s crop.
When to Prune Blackberries
Main pruning is usually carried out:
after fruiting in late summer or autumn.
You can also tidy the plants during winter.
Remove:
- Dead canes
- Damaged canes
- Weak growth
- Diseased stems
Wear gloves if the variety has thorns.
How to Train New Blackberry Canes
One useful method is to separate old and new canes.
For example:
fruiting canes on one side
and
new canes on the other.
Then after harvest, remove the old side and move the new canes into position.
This keeps everything much easier to follow.
Without training, a vigorous blackberry can quickly become a tangled mass.
Do Blackberries Need Feeding?
Blackberries are productive plants, so some feeding can help.
In spring, apply:
a general-purpose fruit fertiliser
around the base according to the manufacturer’s instructions.
A mulch of well-rotted compost can also help improve the soil.
Avoid excessive nitrogen.
Too much can produce lots of vigorous cane growth at the expense of fruit.
How Often Should You Water Blackberries?
Newly planted blackberries need regular watering while they establish.
During the first growing season, don’t allow the root zone to become severely dry.
Established plants are relatively resilient.
However, water during:
- Long dry spells
- Flowering
- Fruit development
Consistent moisture helps produce larger, juicier berries.
Mulching Blackberries
Mulching is particularly useful.
Apply a layer of:
well-rotted compost or other organic mulch
around the plant in spring.
This helps:
- Retain moisture
- Suppress weeds
- Improve soil
- Reduce competition
Keep mulch slightly away from the crown and main stems.
Growing Blackberries in Containers
Yes, blackberries can be grown in pots.
Choose a compact or patio variety.
Use a large container, ideally around:
40–50 litres or more.
Make sure it has good drainage.
Use a soil-based or high-quality multipurpose compost suitable for long-term planting.
A support system will still be useful for many varieties.
Container-grown blackberries need more frequent watering and feeding.
Best Blackberry Types for Containers
Look for varieties described as:
- Compact
- Dwarf
- Patio
- Thornless
These are much easier to manage.
A vigorous traditional blackberry can quickly overwhelm a container.
Can Blackberries Grow Against a Fence?
Yes.
This is one of the best ways to grow them.
Install horizontal wires and train the canes along the fence.
This:
- Saves space
- Keeps fruit accessible
- Improves airflow
- Makes pruning easier
A sunny fence can also help fruit ripen well.
Can Blackberries Grow in Partial Shade?
Yes.
Blackberries tolerate partial shade quite well.
However, plants grown in full sun usually produce:
- Sweeter berries
- Larger crops
- Better ripening
In a partially shaded garden, they’re still very much worth growing.
Blackberry Flowers and Pollination
Blackberry flowers appear before the fruit.
They’re usually white or pale pink.
The flowers are visited by:
- Bees
- Hoverflies
- Other pollinating insects
Most garden blackberries are self-fertile.
That means you generally only need:
one plant
to produce fruit.
However, good insect activity improves pollination.
Do You Need Two Blackberry Plants?
Usually, no.
Most modern blackberry varieties are self-fertile.
One healthy plant can produce a crop by itself.
That makes blackberries an excellent choice for small gardens.
When Do Blackberries Flower?
Depending on variety and location, flowering usually happens during:
late spring and early summer.
Fruit develops after successful pollination.
The berries then gradually change colour as they ripen.
How Do Blackberries Ripen?
Blackberries change through several stages.
They usually go from:
green
to
red
to
deep purple-black.
A ripe blackberry should come away easily.
If you need to tug hard, it probably isn’t fully ripe.
When Are Blackberries Ready to Pick?
Harvest season generally runs from:
July through October
depending on variety and weather.
Pick when the berries are:
- Fully dark
- Plump
- Soft but not mushy
- Easy to remove
Fruit can ripen quickly in warm weather.
Check plants every few days during peak season.
How to Pick Blackberries
Gently grasp the berry and pull.
A ripe fruit should come away with very little resistance.
Place berries into a shallow container.
Don’t pile them too deeply.
Blackberries bruise very easily.
Why Aren’t My Blackberries Sweet?
Possible reasons include:
Harvested too early
Blackberries need to be fully ripe.
Not enough sunlight
Shade can reduce sugar development.
Poor growing conditions
Drought or stress can affect quality.
Variety
Some varieties are naturally sharper than others.
Leave fruit on the plant until it releases easily.
Why Are My Blackberries Small?
Possible causes include:
- Drought
- Overcrowding
- Poor soil fertility
- Too many canes
- Poor pollination
- Variety
Pruning out excess weak growth helps direct energy into stronger fruiting canes.
Should You Thin Blackberry Canes?
Yes.
A plant producing too many canes can become congested.
After pruning, keep a manageable number of strong new canes.
For many varieties, around:
5–8 strong canes
is plenty.
Exact numbers depend on vigour and available space.
Common Blackberry Problems
Blackberries are hardy, but they’re not completely problem-free.
Birds
Birds love ripe blackberries.
If they discover your crop, they can strip fruit quickly.
Netting may be useful.
However, use properly tensioned, wildlife-safe netting.
Loose netting can trap birds and small animals.
Raspberry Beetle
Despite the name, raspberry beetle can also affect blackberries.
The larvae may feed inside fruit.
Signs include:
- Misshapen berries
- Brown areas
- Small larvae
Good garden hygiene and removing badly affected fruit can help.
Blackberry Mite
Blackberry mites can cause parts of berries to remain:
red and hard
while the rest turns black.
Affected fruit may not ripen properly.
If the problem is persistent, remove badly affected fruit and prune carefully.
Grey Mould
Grey mould can develop in wet conditions.
Fruit may become:
- Soft
- Brown
- Covered with grey fungal growth
Reduce risk by:
- Maintaining good airflow
- Avoiding overcrowding
- Harvesting ripe fruit promptly
- Removing rotting berries
Why Are Blackberry Leaves Turning Yellow?
Possible causes include:
Natural ageing
Older leaves eventually decline.
Drought
Dry soil can stress plants.
Waterlogging
Roots can struggle in saturated ground.
Nutrient deficiency
More likely in poor soil or containers.
Disease
Check for additional symptoms.
Assess the whole plant rather than one leaf.
Why Are Blackberry Canes Dying?
If a cane has fruited, dying back afterwards may be completely normal.
Remember:
fruiting canes are supposed to be removed.
If new canes are suddenly dying, investigate:
- Root damage
- Waterlogging
- Disease
- Cane damage
- Severe drought
Best Blackberry Varieties for Beginners
There are several excellent garden varieties.
Loch Ness
A very popular thornless blackberry.
Produces good-sized fruit and is relatively easy to manage.
Good for: Beginners and small to medium gardens.
Loch Tay
An early-fruiting thornless variety.
Produces sweet berries and crops earlier than many others.
Good for: Earlier harvests.
Chester Thornless
A vigorous, productive thornless variety.
Often produces large crops later in the season.
Good for: Heavy cropping.
Oregon Thornless
A decorative variety with attractive deeply cut leaves.
Produces good fruit and no thorns.
Good for: Ornamental and productive gardens.
Reuben
A primocane-fruiting blackberry.
Unlike traditional varieties, it can produce fruit on current-season growth.
Good for: Simpler cane management.
What Are Primocane Blackberries?
Most traditional blackberries fruit on second-year canes.
Primocane varieties can fruit on:
new canes produced in the same year.
This can simplify pruning.
Instead of managing old and new canes separately, some primocane types can be cut down hard during winter and allowed to regrow.
Always check the variety because pruning requirements differ.
Can Blackberries Be Grown in Scotland?
Yes.
Blackberries are very well suited to Scottish conditions.
Choose a sunny, sheltered position for the best fruit ripening.
Early or mid-season varieties may be particularly useful in cooler areas.
Blackberries are generally much more dependable in Scotland than heat-loving crops such as melons or aubergines.
Can Blackberries Be Grown from Cuttings?
Yes.
Blackberries are relatively easy to propagate.
Methods include:
- Tip layering
- Stem cuttings
- Division
- Suckers
Tip layering is particularly simple.
A cane tip touching the soil can produce roots.
Once rooted, it can be separated from the parent plant.
What Is Tip Layering?
Blackberry canes naturally arch towards the ground.
If a shoot tip touches moist soil, it may root.
You can encourage this by:
- Bending a healthy cane towards the ground.
- Burying the tip shallowly in soil.
- Holding it in place.
- Keeping the area moist.
- Waiting for roots to develop.
- Separating the new plant later.
This is an easy way to produce another blackberry plant.
Do Blackberries Spread?
Yes, some varieties can spread vigorously.
They may produce:
- Long arching canes
- Rooted tips
- Suckers
This is one reason garden varieties should be trained and pruned properly.
If you want a low-maintenance plant, choose a compact or less vigorous cultivar.
How to Stop Blackberries Taking Over
The key is regular pruning.
Every year:
- Remove old fruited canes.
- Thin weak new growth.
- Tie in the best new canes.
- Cut back anything growing where you don’t want it.
- Remove rooted tips if they’re spreading.
A managed blackberry plant is easy to control.
An ignored one can become a thicket.
What Can You Grow Near Blackberries?
Because blackberry roots and canes can become substantial, don’t overcrowd the base.
Suitable nearby plants can include:
- Strawberries
- Herbs
- Spring bulbs
- Pollinator-friendly flowers
Keep a clear area around young blackberry plants while they establish.
Growing Blackberries with Other Soft Fruit
Blackberries can be grown alongside:
- Raspberries
- Currants
- Gooseberries
However, allow enough space between them.
Good airflow reduces disease problems and makes harvesting easier.
A dedicated soft-fruit section can work very well in a larger garden.
How to Store Fresh Blackberries
Blackberries are delicate.
Freshly picked berries are best eaten quickly.
Store them in the refrigerator.
Don’t wash them until just before use.
Moisture encourages mould.
Use a shallow container so the fruit isn’t crushed.
Can You Freeze Blackberries?
Yes.
Blackberries freeze extremely well.
For best results:
- Remove damaged fruit.
- Wash gently.
- Dry thoroughly.
- Spread berries on a tray.
- Freeze individually.
- Transfer to freezer bags once frozen.
Freezing them separately first stops them turning into one solid block.
Frozen blackberries are excellent for:
- Crumbles
- Smoothies
- Sauces
- Jam
Can You Make Jam with Blackberries?
Absolutely.
Blackberries are excellent for jam.
They can also be combined with:
- Apples
- Raspberries
- Plums
Blackberry and apple is a classic combination because apples add flavour, structure and natural pectin.
Growing Blackberries Month by Month
| Month | What to do |
|---|---|
| January | Plant bare-root plants and inspect supports |
| February | Finish winter planting and tie in canes |
| March | Feed and mulch |
| April | Water young plants during dry weather |
| May | Train new canes and watch for flowers |
| June | Water during flowering and fruit development |
| July | Begin harvesting early varieties |
| August | Main harvesting period |
| September | Continue harvesting and prune fruited canes |
| October | Tie in new canes |
| November | Plant new bare-root blackberries |
| December | Check ties and support structure |
What You’ll Need to Grow Blackberries
Blackberries don’t require much specialist equipment.
I’d recommend:
A suitable blackberry plant
Sturdy posts
Garden wire
Soft plant ties
Spade
Well-rotted compost
Organic mulch
Watering can or garden hose
Bypass secateurs
Gardening gloves for thorny varieties
The most useful setup is a strong support system installed from the beginning.
It makes pruning, training and harvesting much easier.
[See Our Recommended Secateurs →]
[See Our Recommended Garden Wire & Supports →]
[See Our Recommended Garden Hoses →]
[Essential Equipment Every Gardener Needs →]
Blackberry Growing FAQs
Are blackberries easy to grow?
Yes. Blackberries are one of the easiest soft fruits for beginners.
When should I plant blackberries in the UK?
Autumn through early spring is ideal, particularly for bare-root plants.
Do blackberries need full sun?
Full sun produces the best crops, but blackberries tolerate partial shade.
Do I need two blackberry plants?
Usually not. Most modern varieties are self-fertile.
How long does a blackberry plant take to fruit?
Many plants can produce some fruit within a year or two, although full cropping develops as the plant establishes.
Do blackberries need support?
Most varieties benefit from being trained onto wires, fences or trellis.
How far apart should blackberries be planted?
Around 1.5–3m apart depending on variety and vigour.
Can blackberries be grown in pots?
Yes. Choose compact varieties and use a large container.
When should blackberries be pruned?
Traditional varieties are usually pruned after fruiting by removing the canes that have just cropped.
Do blackberry canes fruit twice?
Usually not. Traditional floricanes fruit once and are then removed.
Can blackberries grow in Scotland?
Yes. Blackberries are hardy and well suited to Scottish conditions.
Why are some of my blackberries staying red?
Blackberry mite can sometimes cause parts of the fruit to remain red and hard.
Can blackberries be frozen?
Yes. They freeze extremely well and are ideal for cooking later.
Final Thoughts
Blackberries are one of the easiest ways to add a long-term fruit crop to your garden.
They’re hardy, productive and far more adaptable than many people realise.
The main thing is to choose the right type.
For most beginners, I’d pick a:
thornless variety
and give it a simple wire support system.
A variety such as Loch Ness is an excellent starting point because it combines good fruit with much easier handling than a traditional thorny bramble.
Plant it somewhere sunny.
Mulch in spring.
Water during prolonged dry weather.
Then learn the simple pruning rule:
remove the old fruited canes and keep the new ones.
Once you understand that, blackberry pruning becomes much less intimidating.
Within a few years, one healthy plant can produce enough fruit for fresh eating, desserts, jam and freezing.
And unlike wild brambles, you won’t need to fight through a wall of thorns every time you want to pick them.
