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status label herbicide Certainty Turf Herbicide 1.25 oz – Sulfosulfuron Sedge Killer – A to Z Lawn SupplyOverview Certainty Turf Herbicide is a selective post emergent herbicide designed for control of difficult weeds in residential lawns, commercial turf, golf courses, and managed landscape areas. Powered by the active ingredient sulfosulfuron, this professional grade herbicide provides targeted control of sedges, kyllinga, Poa trivialis, and certain broadleaf weeds while maintaining turfgrass safety when used according to label directions. Certainty is
Certainty® Turf Herbicide is a selective post-emergent herbicide designed for control of difficult weeds in residential lawns, commercial turf, golf courses, and managed landscape areas. Powered by the active ingredient sulfosulfuron, this professional-grade herbicide provides targeted control of sedges, kyllinga, Poa trivialis, and certain broadleaf weeds while maintaining turfgrass safety when used according to label directions.
Certainty is formulated as a water dispersible granule (WDG) that mixes easily in spray equipment for precise applications. The systemic mode of action allows the herbicide to move through the plant, controlling weeds from leaf to root.
This product is widely used by professional turf managers and homeowners seeking effective control of persistent sedges and specialty turf weeds in highly managed turfgrass environments.
Weeds controlled according to the EPA label include:
Always consult the product label for the complete and approved weed control list and turfgrass tolerance information.
Certainty Turf Herbicide is labeled for use on:
For best results, apply when weeds are actively growing and follow all label directions regarding turf species tolerance and application intervals.
What weeds does Certainty Herbicide control?
Certainty is labeled to control sedges such as nutsedge, kyllinga species, Poa trivialis (rough bluegrass), and certain annual and perennial weeds listed on the EPA label.
Is Certainty safe for lawns?
When applied according to label directions, Certainty is designed for use on labeled turfgrass species in residential and commercial turf areas.
How does Certainty work?
The active ingredient sulfosulfuron is absorbed by the plant and moves systemically through the weed to disrupt growth processes.
Can homeowners use Certainty herbicide?
Yes. The product is labeled for residential turf when used according to the EPA label instructions.
What makes Certainty useful for sedge control?
Its systemic activity allows it to move through sedge plants and target underground structures responsible for regrowth.
EPA Registration Number:
59639-226
Active Ingredients:
Sulfosulfuron – 75.0%
Signal Word:
CAUTION
Target Pest List:
Nutsedge species, Kyllinga species, Poa trivialis, and other labeled weeds.
Label Link:
Download Product Label (PDF)
SDS Link:
Download Safety Data Sheet (SDS)
Fact Sheet Link:
Download Product Fact Sheet
Required Compliance Statement:
It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Always read and follow the entire product label before use.