Answer: I've had really good success in killing brambles by cutting of each stem about 6 inches from ground level and then immediately painting the cut end with Round Up. The chemical goes down into the roots and kills them. You'll have to cut every stem and paint each one right after cutting it, but it should work for you. Round Up will kill all vegetation so use it carefully in your garden and keep it away from plants you want to keep. Good luck with your project.
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