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SedgeHammer + Herbicide kills nutsedge without injury to turfgrass, established ornamentals, shrubs, and/or trees. SedgeHammer Plus (+) provides post-emergence control of both purple nutsedge and yellow nutsedge. SedgeHammer+ also controls many broadleaf weeds and suppresses kyllinga. Nutsedge is controlled after emergence in cool and warm season turf grasses such as St. Augustinegrass, Bermudagrass, Kentucky Bluegrass, tall and fine fescue, and perennial ryegrass. Sedgehammer + is considered one of the more "gentle to turfgrass" nutsedge killers and pets and people can return to the treated area once the spray dries.
The “+” (plus) in SedgeHammer + indicates that it already contains a non-ionic surfactant. This saves you time and money – no additional product is needed and no extra time spent mixing in additional product. The surfact helps the Sedgehammer Plus spray spread across and penetrate into the waxy leaves of nutsedge more easily. The surfactant also helps with water dispersion, ensuring the spray is even across the leaf for absorption into the vascular system of the plant.
Product Features:
Each 13.5 gram packet will treat 1,000 sq. ft.
For larger areas, consider using SedgeHammer Herbicide in the 1.33 oz. bottle, which treats up to 40,000 sq. ft.
Product Documents
Active Ingredient | Halosulfuron-methyl 5% |
---|---|
Target pests | Purple Nutsedge, Yellow Nutsedge, Kyllinga |
For use in |
Turfgrass, Landscaped areas, and other non-crop areas * See label for complete list |
Application | Mix 1 packet in 1 gallon of water to cover 1000 sq. ft. |
Yield | 1 packet covers 1000 sq ft. |
NOT FOR SALE TO | AK |
Shipping Weight | 0.06 lbs |
Manufacturer | Gowan |
UPC | 714654514980 |
EPA Registration | 81880-24-10163 |
SedgeHammer + is a water-soluble granule formulation that is mixed with water and applied to target plants with a sprayer. SedgeHammer + is a member of the sulfonylurea family, an ALS (acetolactate) enzyme inhibiting herbicide. The active ingredient is absorbed into leaf tissue as quickly as 24 to 48 hours after application, then translocated through the plant’s vascular system. The herbicide quickly inhibits amino acids, halting cell division and plant growth in both roots and shoots, causing eventual death in target plants.
Purple Nutsedge, Yellow Nutsedge, Kyllinga
WEEDS CONTROLLED WITH SEDGEHAMMER +: Purple Nutsedge, Yellow Nutsedge, Green Kyllinga, Annual Kyllinga, Cocklebur, common Sunflower, common Ragweed, giant Ragweed, Pigweed, Velvetleaf, Horsetail
Additional weeds controlled with SEDGEHAMMER+ (small packets) only: Burcucumber (suppression), Corn Spurry, Rice Flatsedge, Philadelphia fleabane, Galinsoga, common groundsel (preemergent only), Jimsonweed (preemergent only), Kochia (suppression), Ladysthumb, common Lambsquarter (preemergent only), Venice Mallow (suppression), common Milkweed (suppression), honeyvine Millkweed (suppression), Morningglory (suppression), wild Mustard, redroot Pigweed, smooth Pigweed, common Poweweed, Purslane (preemergent suppression), wild Radish, Shepherds purse (suppression), Pennsylvania Smartweed
SedgeHammer + Herbicide is a selective, post-emergent herbicide concentrate designed specifically to kill nutsedge and other broadleaf weeds without injury to turfgrasses, established ornamentals, shrubs, or trees. SedgeHammer + can be used in both warm-season and cool-season turfgrasses, landscaped areas, and other non-crop areas.
SedgeHammer + will not prevent germination of most labeled target weeds. Rather, it should be applied to actively growing weeds. If turfgrass or nutsedge is under stress, poor control may result. Also, desirable turfgrass, ornamentals, and trees should be well established before application. Do not apply to edible plants or gardens.
*Note that weeds can develop resistance to herbicides. To minimize the potential for resistance development and/or to control resistant weed biotypes, use a variety of cultural, mechanical, and chemical weed control tactics. Rotate with herbicides having other modes of action.
ACTIVE INGREDIENT: 13.5 g package – Halosulfuron-methyl 5%
SedgeHammer + is a powder concentrate to be diluted with water and applied with a pump sprayer. SedgeHammer + should not be applied with hose-end sprayers since they are far less accurate than hand pump sprayers. When applying, spray the weeds thoroughly and wet the entire leaf surface of the undesirable plants. For best results, spray nutsedge after it has reached the 3 to 8 leaf stage of growth.
SedgeHammer + often works with one application, but depending on the size and age of the nutsedge a second treatment may be required 6 to 10 weeks after the initial treatment. See “Other Tips” below for more information.
The 13.5 gram packets already contain a surfactant, so you only need to mix the contents of the packet itself with a gallon of water. See below for further details. Always read the product label completely before use.
Each 13.5 g packet makes 1 gallon of finished solution and already contains a surfactant. Each gallon of finished solution covers approximately 1,000 square feet.
Standard Application Dilution rates / Mixing Ratios for SedgeHammer +:
*13.5 g packet – Entire contents of 1 packet (0.5 oz.) per gallon of water – Ideal for spot treatments. For treating larger areas, consider SedgeHammer Herbicide in the 1.33 oz. bottle.
Commercial and residential turf and other non-crop sites including: airports, cemeteries, fallow areas, golf courses, landscaped areas, public recreation areas, residential property, roadsides, school grounds, sports fields, landscaped areas with established woody ornamentals, fairgrounds, race tracks, tennis courts, campgrounds, and rights-of-way
Tolerant Turfgrasses – Cool-Season: creeping Bentgrass, Kentucky Bluegrass, fine Fescue, tall Fescue, perennial Ryegrass; Warm-Season: Bahiagrass, Bermudagrass, Buffalograss (Sedgehammer+ only), Centipedegrass, Seashore pasapalum, St. Augustinegrass, Kikuyugrass, Zoysiagrass
SedgeHammer + is not labeled for indoor use of any kind.
See general mixing instructions, mixing rates, and application details above.
Established woody ornamentals in landscaped areas – Apply as a post-directed spray. Avoid contact of this product to leaves of desirable plants since foliar injury, discoloration or death may result.
Horsetail Control – SedgeHammer + (small packets): Apply 1 oz. (27 g or 2 pouches) per 1,000 square feet after horsetail has leafed out. SedgeHammer (bottle): Apply 2 2/3 oz. per acre, or 1.8 g per 1,000 square feet.
This rate of product will control horsetail that is less than 6 inches tall and suppress horsetail that is greater than 6 inches tall. Herbicide symptoms are likely to show within 2 weeks as a necrotic ring at the base of the plant, even though the leaves and stems remain green and a deep leathery green in color.
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