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Target Pests

Sedgehammer Herbicide is for post-emergent control of sedges such as purple and yellow nutsedge

For Use In

Sedgehammer Herbicide is for use in established lawns, ornamental turfgrass, and landscape areas. Can also be applied in residential turf, other non-crop sites including: airports, cemetaries, fallow areas, golf courses, landscaped areas, public recreation areas, residential property, roadsides, school grounds, sod or turf seed farms, sports fields, fairgrounds, race tracks, tennis courts, campgrounds, and rights-of-way.,


For a broadcast application for post-emergent control of sedges use at a rate of 2/3 to 1 1/3 ounce per acre. For spot treatments with Sedgehammer Herbicide use at a rate of 0.9 grams in 1 to 2 gallons of water to treat 1,000 square feet. For more specific application rates refer to label above.

Coverage Area

Each package of Sedgehammer Turf Herbicide will cover approximately 1,000 square feet.

Time to Kill

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.

Mix Rate

Each 13.5 g packet makes 1 gallon of finished solution and already contains a surfactant. Each 1.33 oz. bottle makes 40 gallons of finished solution. Each gallon of finished solution covers approximately 1,000 square feet. In high volume broadcast applications, each 1.33 oz. bottle covers 1-2 acres.

Active Ingredient

* 1.33 oz bottle - Halosulfuron-methyl - 75% *

* 13.5 gram package Halosulfuron-methyl - 5% *

Sedgehammer Turf Herbicide

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Sedgehammer Turf Herbicide

SedgeHammer herbicide is a selective herbicide for postemergence control of sedges such as purple and yellow nutsedge in established lawns, ornamental turfgrass, and landscaped areas.
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