Do Blackberry Bushes Die Back In Winter

Blackberry bushes do die back in winter, but how much they die back depends on the type you’re growing and where you live.
 
If you’ve ever stared at a scraggly patch of canes in January and wondered whether your blackberry bushes die back in winter or if they’re just dormant, you’re not alone.
 
The short answer is that blackberry bushes die back in winter to some degree, but the roots usually survive and send up new growth in spring.
 
In this post, we’ll look at why blackberry bushes die back in winter, which types die back the most, and how to protect your plants so they come back strong.
 
Let’s dig in.
 

Why Blackberry Bushes Die Back in Winter

Blackberry bushes die back in winter because cold temperatures and frost damage the canes that grew during the season.
 
Here’s what’s actually happening when your blackberry bushes die back in winter:
 

1. Cold Temps Kill Tender Canes

When temperatures drop below freezing, the water inside the canes freezes and expands.
 
This ruptures the plant cells, and once those cells burst, that section of cane can’t recover.
 
That’s the main reason blackberry bushes die back in winter in colder zones.
 
The canes most exposed to wind and deep freezes are usually the first to go.
 

2. Floricane vs. Primocane Types

Blackberry bushes die back in winter differently depending on whether you’re growing floricane or primocane varieties.
 
Floricane blackberries fruit on second-year canes, so if those canes die back in winter, you lose that year’s harvest.
 
Primocane blackberries fruit on first-year canes, so even if the tops die back, they can still produce fruit later in the season.
 
Knowing which type you have tells you a lot about how much dieback to expect.
 

3. Dormancy Is Not the Same as Death

It’s easy to confuse dormancy with dieback when your blackberry bushes look dead in winter.
 
Dormant canes are still alive; they’ve just slowed down to survive the cold.
 
If you scratch the bark and see green underneath, that cane is alive.
 
If it’s brown and brittle, that part has died back and should be pruned away.
 

4. Location Changes Everything

In warmer zones like 7 through 10, blackberry bushes may barely die back in winter at all.
 
In colder zones like 4 or 5, blackberry bushes die back almost to the ground every year.
 
That’s why two gardeners with the same variety can have totally different results.
 

Which Blackberry Bushes Die Back the Most

Not all blackberry bushes die back in winter equally, so here’s a quick breakdown of what to expect.
 

1. Erect Thorny Varieties

Erect varieties like Cherokee and Navaho are tough, but their canes still die back in harsh winters.
 
They’re more cold-hardy than trailing types, but extended freezes can still take a toll.
 

2. Trailing Varieties

Trailing blackberries like Marionberry and Boysenberry are the least cold-hardy.
 
These blackberry bushes die back in winter fast once temps drop into the teens.
 
That’s why growers in cold regions often lay the canes down and mulch over them.
 

3. Primocane-Fruiting Types

Primocane varieties like Prime-Ark Freedom can be cut to the ground each year, so dieback doesn’t matter much.
 
If your blackberry bushes die back in winter, these types bounce back and fruit on new canes the same season.
 

How to Protect Blackberry Bushes From Winter Dieback

You can’t stop winter, but you can reduce how badly your blackberry bushes die back in winter with a few simple steps.
 

1. Mulch Around the Base

A thick layer of straw, wood chips, or leaves insulates the roots and crown.
 
This won’t stop canes from dying back, but it keeps the plant’s core alive.
 

2. Prune Dead Canes in Late Winter

Once the worst cold has passed, cut out any cane that’s brown and brittle.
 
This is the best time to see exactly how much your blackberry bushes died back in winter.
 

3. Bend and Bury Trailing Types

For trailing blackberries, gently bend the canes to the ground and cover them with soil or mulch.
 
This protects them from the coldest air and cuts down on how much they die back in winter.
 

So, Do Blackberry Bushes Die Back in Winter?

Blackberry bushes do die back in winter, especially in colder growing zones where freezing temps damage or kill the canes.
 
How much they die back depends on the variety, your climate, and how well you protect them.
 
The roots and crown usually survive, so even if your blackberry bushes die back in winter, they’ll push up fresh growth once spring arrives.
 
And in warmer zones, your blackberry bushes may barely die back in winter at all.
 
So don’t panic when those canes turn brown, just prune, mulch, and wait for the comeback.