NEW Yates Zero Triple Strike Garden Weedkiller Ready To Use is a glyphosate free, systemic garden weedkiller. It is a contact and systemic weed control product that effectively controls a wide range of weeds and grasses. It penetrates the weed tissue, accelerates cell disruption and terminates weeds, roots and all. Results are seen as browning and wilting leading to plant death. *Visible results can take longer than 2 hours on certain tough weeds or weeds in shaded conditions.