Question: Does this work for Blackberry bushes? Answer: Primarily this product will prevent the growth of vegetation, tho it will kill existing grasses and weeds slowly.

What does Noxall kill?

IMAGE^® Noxall

Kill unwanted weeds and grasses with Noxall Vegetation Killer. This non-selective product destroys all vegetation in its path and is ideal for spreading on walkways, along fences and under decks. This proprietary formula kills existing vegetation down to the roots and prevents re-growth for one year.

How long does it take Noxall to work?

Control of existing vegetation, such as shallow-rooted grasses and annual weeds, will occur two to three weeks after application. Application is limited to once per year at a maximum rate of 2.8 lbs. per 250 square feet. Store this product in its original container out of reach of children and domestic animals.