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Meetings and Symposiums

​​​​​​​​​​The Oregon Interagency Noxious Weed Symposium (OINWS) is a biennial event hosted by the Oregon Department of Agriculture Noxious Weed Control Program to provide educational and networking opportunities for natural resources professionals working on invasive plant management in the Northwest.  

Symposium presentations include updates on projects as well as research and techniques to help in future project planning. 

Next Symposium: December 10 - 12, 2024 at the LaSells Stewart Center, Corvallis 

Registration Cost: TBA

Symposium sessions will include:

  • Updates from other natural resource partners, federal agencies, and ODA Regional staff
  • Chemical and pesticide application updates
  • Research and techniques to help in future project planning
  • Awards reception to recognize outstanding individuals in the field
  • Pesticide recertifications c​redits available for Oregon and Washington


Administrative Specialist
Noxious Weed Control
635 Capitol St NE
Salem, OR 97301
Phone: 503-986-4621