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Pendleton Today
By the People, for the People
EPA Approves New Russian Thistle Herbicide
UPL expects to have supply in place for the 2023 growing season.
Apr. 18, 2026 at 7:59am
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A new EPA-approved herbicide aims to provide farmers with an innovative tool to combat the persistent and damaging Russian thistle weed.Pendleton TodayThe EPA has approved a new herbicide to help farmers in the American West battle the invasive Russian thistle weed, also known as tumbleweed. UPL, the company behind the new herbicide, is now applying for state-level registrations and expects to have the product available for the 2023 growing season.
Why it matters
Russian thistle has become a major problem for wheat and canola farmers in the western United States, reducing yields and increasing control costs. This new EPA-approved herbicide could provide a valuable tool to help growers manage this persistent weed.
The details
The new herbicide from UPL has received EPA approval and the company is now working to secure state-level registrations. Optical sensing and spot spraying have helped reduce Russian thistle control costs by $132 per acre, but growers are still struggling with the invasive weed. UPL expects to have the new herbicide available in time for the 2023 growing season.
- The EPA approved the new Russian thistle herbicide in 2026.
- UPL expects to have the product available for the 2023 growing season.
The players
UPL
A global agrochemicals company that has developed a new herbicide to help control Russian thistle, also known as tumbleweed.
Jason Hill
A farmer in Pendleton, Oregon who is battling Russian thistle and other weeds on his 3,500-acre wheat and canola operation.
Fritz Hill
Jason Hill's father, who is also involved in the family's fight against Russian thistle and other weeds.
What’s next
UPL is applying for state-level registrations for the new Russian thistle herbicide and expects to have supply available for the 2023 growing season.
The takeaway
This new EPA-approved herbicide could provide a valuable tool for wheat and canola farmers in the American West who are struggling to control the persistent and invasive Russian thistle weed, which has become a major problem in the region.
