How To Get Rid Of Blackberry Bushes Permanently

To get rid of blackberry bushes permanently, you need to completely destroy the root system because these plants are incredibly resilient and can regrow from small root fragments left in the soil.
 
If you’ve been battling blackberry bushes in your garden or backyard and wondering how to get rid of them for good, you’re not alone.
 
These thorny invaders spread aggressively underground and can quickly take over any space they’re given, making them one of the most frustrating weeds to deal with.
 
The good news is that with the right approach and a bit of patience, you can permanently get rid of blackberry bushes.
 
In this post, we’ll walk through the most effective methods to kill blackberry bushes permanently, from digging them out to using herbicides and smothering techniques.
 
Let’s dive in.
 

Why Getting Rid of Blackberry Bushes Permanently Is So Challenging

Blackberry bushes are tough, and getting rid of them permanently requires understanding why they’re so hard to kill.
 

1. Extensive Root Systems

Blackberry bushes have deep, sprawling root systems that can extend several feet underground.
 
These roots store energy and can send up new shoots even after you’ve cut the plant down to the ground.
 
That’s why simply chopping blackberry bushes won’t work if you want to get rid of them permanently.
 

2. Ability to Regrow from Fragments

Even tiny pieces of root left behind can sprout new blackberry bushes.
 
This means you have to be thorough when removing them, or you’ll be back to square one within weeks.
 

3. Aggressive Spreading

Blackberry bushes spread through underground runners and tip-rooting, where canes touch the ground and root themselves.
 
This makes them incredibly difficult to eliminate completely without a systematic plan.
 

How to Get Rid of Blackberry Bushes Permanently

The most effective ways to get rid of blackberry bushes permanently involve a combination of physical removal and chemical treatment.
 
Here’s how to do it right.
 

1. Dig Them Out Completely

Digging out blackberry bushes is the most eco-friendly way to get rid of them permanently.
 
Start by cutting the canes down to ground level with loppers or a brush cutter.
 
Then, use a shovel or mattock to dig out the root ball and as much of the surrounding root system as possible.
 
Sift through the soil to remove every piece of root you can find because any fragment left behind can regrow.
 
This method works best for small infestations and requires persistence over several weeks.
 

2. Apply Herbicides to the Stumps

If digging isn’t practical, herbicides can help you kill blackberry bushes permanently.
 
Cut the canes down to the ground and immediately paint the freshly cut stumps with a concentrated glyphosate or triclopyr herbicide.
 
The plant will absorb the chemical through the cut surface and transport it down to the roots, killing them over time.
 
You may need to reapply to any new shoots that emerge.
 
Always follow the product instructions and be careful not to spray nearby desirable plants.
 

3. Smother with Black Plastic or Cardboard

Smothering is an excellent chemical-free way to get rid of blackberry bushes permanently.
 
After cutting the canes to the ground, cover the area with thick black plastic sheeting or layers of cardboard.
 
Weigh it down with rocks or mulch so it stays in place.
 
This blocks sunlight and prevents regrowth by starving the roots of energy.
 
Leave the cover in place for at least one full growing season, sometimes longer, to ensure the roots are dead.
 

4. Repeated Cutting and Mowing

For large patches, repeated cutting every few weeks can eventually exhaust the blackberry bushes.
 
Use a brush mower or weed whacker to cut new growth as soon as it appears.
 
Over time, the roots will run out of stored energy and die.
 
This method takes longer but works well if you’re consistent and combine it with other techniques.
 

Tips for Keeping Blackberry Bushes Gone for Good

Getting rid of blackberry bushes permanently also means preventing them from coming back.
 

1. Monitor the Area Regularly

Check the treated area every week or two for new shoots.
 
Pull or dig out any regrowth immediately before it gets established.
 

2. Improve Soil and Plant Competitors

Blackberry bushes thrive in disturbed soil, so plant grass or other ground covers to compete for space and nutrients.
 

3. Dispose of Debris Properly

Don’t compost blackberry canes or roots because they can survive and spread.
 
Bag them up and throw them away or burn them if local regulations allow.
 

So, How Do You Get Rid of Blackberry Bushes Permanently?

You get rid of blackberry bushes permanently by destroying the root system completely, whether through digging, herbicides, smothering, or a combination of methods.
 
The key is to be persistent and thorough because blackberry bushes are experts at surviving and regrowing.
 
With the right strategy and a bit of patience, you can reclaim your garden and say goodbye to those thorny invaders for good.