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SedgeHammer (formally Manage herbicide), is the Best product we have found to control nutsedge. SedgeHammer is labeled for use in all 50 of the United States. Labeling laws prevent us from selling SedgeHammer (Manage) outside of the US. SedgeHammer (Manage) CANNOT be used in vegetable gardens. SedgeHammer (Manage) maybe used as a 'directed spray' around ornamentals which is lawyer-speak for 'if the plant dies, it ain't our fault". So be careful around ornamentals. The label calls for the use of a non-ionic surfactant, which means to add some Dawn Detergent to help the Manage get into the plant. The first application of SedgeHamer (Manage) will control up to 95% of the existing nutsedge. Because nutsedge spreads underground by tubers and 'nuts', and above ground by seed it will be necessary to make multiple applications to totally contol the weed. Nutsedge thrives in wet soils, so reducing the frequency of watering with your irrigation system will help control the spread of nutsedge. In addition, we have a theory that for every ton of top soil you apply to your lawn, you are planting at least 500 pounds of weed seeds. Try to avoid bringing in top soil unless absolutely necessary. We also recommend that you not roto-till your lawn. Weed seeds can lie dormant in the soil for years (crabgrass seeds have been known to live 15 years in the soil) until brought to the surface so they can germinate. SedgeHammer is packaged in a .9 gram water soluble bag that treats up to 1,000 square feet, and a 1.3 ounce bottle that treats up to one acre (43,560 square feet). |
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