Cut Stump: Herbicide Treatments

This video will explain the methods for applying herbicide to a cut stump. It will explain the differences between water and oil-based herbicide applications and the appropriate ratios. It will also cover the differences in applying herbicide to the stump of a large tree compared to a small tree or shrub, and in which situations a cut stump treatment is most effective.

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I hope it works on Rose of Sharon but I doubt it.