Fast acting formula. Kills the root! Visible results as fast as 3 hours. Rainfast in 15 minutes. Ready to use. Product Facts: What it Does: Kills all types of listed weeds & grasses down to the root. Works the first time, every time. Kills over 155 types of weeds as listed. Replant flowers, trees & shrubs the same weekend. Eliminates weeds, guaranteed. Fast-acting. Kills most common weeds and grasses including: Annual weeds and grasses: annual bluegrass, ironweed, annual ryegrass, knotweed, barnyard grass, lambsquarters, beggarweed, little bitter cress, black medic, London rocket, blue medic, maiden cane, blue mustard, mallow, blue toadflax, mayweed, brassbuttons, mouseear chickweed (annual or perennial), bromegrass, oxalis (annual or perennial), bur clover, Pennsylvania smartweed, buttercup, pennywort, cheeseweed, pigweed, chickweed, prickly lettuce, clover, prostrate spurge, common groundsel, puncture vine, common lambsquarters, purslane, common plantain, redroot pigweed, common ragweed, sandspur, crabgrass, shepherdspurse, creeping beggarweed, smartweed, diffuse lovegrass, smooth cat's ear, dog fennel, smooth pigweed, evening primrose, sowthistle, fall panicum, spotted spurge, false dandelion, sprangletop, fennel, spurges, fiddleneck, tansy mustard, field pennycress, tansy ragwort, field sandbur, teaweed, filaree, Texas panicum, Florida pusley, tumble mustard, foxtail, velvetleaf, garden spurge, wild geranium (annual or perennial), goosegrass, wild mustard, green foxtail, witch grass, hemp sesbania, yellow nutgrass, henbit, yellow oxalis, horseweed/marestail. Perennial weeds, grasses and brush: Alder, dewberry, artichoke thistle, dog fennel, bahiagrass, false dandelion, barnyardgrass, fescue species, bentgrass, field bindweed, Bermudagrass, guineagrass, bluegrass, hairy crabgrass, broadleaf plantain, horsenettle, brownseed paspalum, horseradish, buckhorn plantain, iceplant, bull thistle, Johnsongrass, Canada thistle, Kentucky bluegrass, cattail, kikuyugrass, ceanothus, knapweed, centipedegrass, knawel, cocklebur, lantana, cogongrass, maiden cane, common mullein, milkweed, common ragweed, mouseear chickweed (annual or perennial), coral bead, nimblewill, creeping Charlie, nutgrass (nutsedge), curly dock, oldenlandia, dallisgrass, orchardgrass, dandelion, oxalis (annual or perennial), pampasgrass, pennywort, perennial ryegrass, plantain, purple cudweed (annual or perennial), purple nutsedge, quackgrass, quaking aspen, ragweed, red clover, smooth bromegrass, sourdock, sowthistle, St. Augustinegrass, tall fescue, tansy ragwort, timothy, torpedograss, trumpetcreeper, vaseygrass, Virginia creeper, white clover, whitetop, wild barley, wild blackberry, wild carrot, wild morningglory, wild oats, yarrow, yellow nutgrass, yellow starthistle, zoysia. Notice: To the extent required by applicable law, buyer assumes all responsibility for safety and use not in accordance with directions. Money Back Guarantee: Guaranteed results or your money back. If you are not satisfied with this product for any reason, send your written request for a refund to the address below, together with the original dated store receipt showing the price you paid. Please allow 6-8 weeks for processing. www.spectracide.com. Questions or Comments: Call 1-800-917-5438 or visit our website at www.spectracide.com. Also Try our Lawn Weed Killers: Spectracide Weed Stop for Lawns; Spectracide Weed Stop for Lawns Plus Crabgrass Killer Concentrate.