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Same active ingredient as Surflan Herbicide! Weed Impede (formerly Weed Stopper) from Monterey is a pre-emergent treatment for control of annual grasses and certain broadleaf weeds in established warm season turf including bahiagrass, bermudagrass, buffalograss, centipedegrass, St. Augustinegrass, zoysiagrass and established tall fescue growing in warm season areas, ornamentals, trees, roses, bulbs, iceplant and garden grown fruit trees. Weed Impede lasts up to 6 months to control grasses and weeds. Can be tank mixed with Round Up in unplanted areas.
Product Documents
| Active Ingredient | Oryzalin 40.4% |
|---|---|
| Target pests |
Controlled: Carpet weed, Purslane, Chickweed, Groundsel, Henbit, Prostrate Spurge, Pigweed, Barnyardgrass, Lovegrass, Annual Bluegrass, Wild Oat, Large Crabgrass, Smooth Crabgrass, Foxtails, Italian Ryegrass, Goosegrass, Witchgrass Suppressed: Horseweed, Black Nightshade, Ragweed, Prickly Lettuce, Smartweed, Sowthistle, Climbing Milkweed, Spotted Spurge, Morningglory, Teaweed, Black Mustard, Velvetleaf, Wild Mustard, Volunteer Wheat |
| For use in | Certain established landscape ornamental plants, including trees, shrubs, ground covers/perennials, and flowers, non-bearing fruit and nut trees, non-bearing vineyards, and ornamental bulbs grown in flowerbeds, ornamental plantings and rock gardens |
| Application | 1.5 - 3 oz. per 1,000 sq. ft. |
| Pet safe | Yes, if used as directed on label |
| Yield | Treats 5,000 to 10,000 sq. ft. |
| Formulation | Professional Product |
| Shipping Weight | 1.43 lbs |
| Manufacturer | Monterey Lawn & Garden (Mfg. Number: LG 5130) |
| UPC | 022179100053 |
| EPA Registration | 54705-5 |
Weed Impede is a pre-emergent treatment for control of annual grasses and certain broadleaf weeds in established warm season turf including bahiagrass, bermudagrass, buffalograss, centipedegrass, St. Augustinegrass, zoysiagrass and established tall fescue growing in warm season areas, ornamentals, trees, roses, bulbs, iceplant and garden grown fruit trees. Weed Impede lasts up to 6 months to control grasses and weeds. Can be tank mixed with Round Up in unplanted areas.
WARNING: This product can expose you to chemicals including oryzalin, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov
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Monterey Weed Impede (Surflan Herbicide)
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