MSMA is a very effective post-emergent weed killer that, when applied as directed on the label, takes care of many of the toughest weeds out there. When the temperature reaches 70 degrees, MSMA can be used at a recommended mix rate of one ounce per gallon of water. This gallon of solution treats 1,000 sq/ft. An additional application should be made approximately 20 days later. Apply during warm weather when temperature is between 70°F and 90°F. Do not water turf for at least 24 hours after application. Turfgrass may be temporarily discolored. Bermudagrass, Bluegrass, and Zoysiagrass have shown tolerance if this product is properly applied. Injury may result if applied to Bentgrass, Fescue, and St. Augustine grass.
MSMA is effective on the following weeds:
Bahiagrass (Paspalumsp.), Barnyardgrass (Echinochloa crus-galli), Beggartick, hairy (Biden pilosa), Brachiaria spp., Broomsedge, Chickweed, (Stellaria media), Cocklebur (Xanthium spinosum), Crabgrass, large (Digitaria sp.), Crabgrass, smooth (Digitaria sp.), Dallisgrass (Paspalum dilatatum), Dandelion (Taraxacum officinale), Dayflower (Commelina sp.), Fiddleneck (Amsinckia sp.), Florida Beggarweed (Desmodium tortuosum), Foxtail (Setaria sp.), Goosegrass (Eleusine indica), Guineagrass (Panicum sp.), Jimsonweed (Datura stramonium), Johnsongrass (Sorghum halipense), Morning Glory (Ipomoea spp.), Mustard, Wild Nutsedge (Cyperus sp.), Oats, wild (Avena fatua), Pigweed (Amaranthus sp.), Puncturevine (Tribulus terrestris), Purslane, common, Ragweed (Ambrosia spp.), Sandbur (Cenchrus sp.), Sicklepod (Cassia obtusifolia), Sorrel, wood (Oxalis sp.), Spurge (Euphorbia sp.), Witchgrass (Panicum capillare) For complete MSMA label instructions, please CLICK HERE.