CONTAINS FLUROXYPYR, THE ACTIVE INGREDIENT USED IN STARANE® ULTRA AND STAREDOWN™
Stark™ Ultra, featuring the active ingredient fluroxypyr, controls unwanted annual and perennial broadleaf weeds in rangeland and pastures, established turfgrass, roadsides, railroads, rights-of-way, and other non-crop and crop sites. Stark Ultra is a selective post-emergence herbicide that is rainfast in as little as one hour.
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State Registry
Registered
For inquiries about product availability in your state, please contact Atticus.
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Safety Data Sheets
States Covered
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Specimen
Product Information Table
EPA Registration Number
91234-45
Active Ingredient
Fluroxypyr 45.52%
HRAC Number
4
Signal Word
Warning
Formulation
Emulsifiable Concentrate
Package Size
2 x 2.5 gal,
265 gal,
Restricted Use
No
Key Benefits
- Effective control of tough broadleaf weeds
- Approved for a broad range of application sites
- Tank-mix compatible
Market Segments
The following represent the most common uses for this product. For more detail about these or other uses please refer to the product brochure or ask your distributor.
©2025 Atticus. Important: Always read and follow label instructions. Not all products are registered for use in every state. Stark™ Ultra is not manufactured, or distributed by Dow Agrosciences LLC, seller of Starane® Ultra and StareDown™. Starane ® Ultra and StareDown™ are registered trademarks of the Dow Chemical Company. Stark™ Ultra is a trademark of Atticus, LLC.