Rootblast super concentrated tough weed killer is a super strength systemic herbicide that is moved from the point of application (leaves, stems, green branches, cut stumps) to kill the underlying roots. First signs of control, a yellowing of the leaves, May take from a few days to 2-4 weeks to appear.contains 360 g/l glyphosate for effective control of annual and deep-rooted perennial garden weeds, including grasses, Docks, Nettles, willowherb, Dandelion and bindweed. Also suitable for woody brambles, tree stumps and Ivy. not suitable for lawns. Packaging may vary.
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