Roundup weed killer is designed to kill weeds all around the garden. It has a systemic action which will permeate the roots so that the weeds won't grow back. The fast action solution gets degraded by the microorganisms in the soil allowing replanting. The This is best used in dry and non-windy conditions to prevent the formula being washed off, or blown on to other plants. Warning: For use only as a home garden weed killer. Toxic to aquatic life with long-lasting effects. Contains 7.2g/l glyphosate acid IPA salt of glyphosate in a ready to use solution. Always read the label. Keep out of reach of children.