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Sedgehammer 5% Halosulfuron-methyl Herbicide

Kills nutsedge down to the root nutlets

Sedgehammer 5% Halosulfuron-methyl Logo
SedgeHammer 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.
Mode of Action
Lipid Synthesis Inhibitors
Site of Action
(1) ACCase Inhibitor
Available on Amazon

$0.88 / gm
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Available on Do My Own

$1.11 / gm
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Not Safe On
No not safe on treatments listed. Please, review the label or contact the merchant for more information.
Maximum Yearly Limits
Do not exceed 0.25 lb active ingredient per acre per 12 month period.
Mowing Instructions
For optimum results, do not mow turf for 2 days before or 2 days after application.
Water Instructions
Avoid applications when rainfall is forecasted to occur within 4 hours.
After Seeding Instructions
This product may be used on established seeded, sodded, or sprigged turfgrass. Allow the turf to develop a good root system and uniform stand before application.
Treated areas may be overseeded with annual or perennial ryegrass or bermudagrass, 2 weeks after application.
Surfactant Instructions
This product already contains a non-ionic surfactant. No additional mixtures are necessary.

Sedgehammer 5% Halosulfuron-methyl Optimized Application Label Rate Calculator

No Control
Spot Treatment:
Blanket Treatment:
Grass / Turf Types Safe
Fine Fescue
Kentucky Bluegrass
Kikuyu Grass
Perennial Ryegrass
Seashore Paspalum
St. Augustinegrass
Tall Fescue
Jump to CertainLabel™ Sedgehammer 5% Halosulfuron-methyl Label Rates & Calculator for these 13 turf types
Spot Treatment
Label Rate:
0.476 ounces per gallon
Cost Effectiveness:
Makes 1 gallons
at a cost of
$11.91 per gallon
Blanket Treatment
Label Rate:
0.476 ounces per 1,000 sqft
Cost Effectiveness:
Covers 1000 square feet
at a cost of
$11.91 per 1,000 sqft
Questions & Comments
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