This powerful, non-volatile formulation works on over 70 of the toughest weed species, yet is harmless to grass.. A woody-plant herbicide that kills tough plants such as poison ivy, poison oak, brambles, honeysuckle and multifloral rose.. Can be applied as a foliar spray to the leaves & stems, as a spot treatment or as a stump treatment.. Can be applied using a tank-type sprayer, hose-end sprayer, watering can or undiluted depending on product use.. Systemic action kills the entire plant including the roots.. Made in the USA..