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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: Dec. 6-8, 2022 at the LaSells Stewart Center, Corvallis 

Registration Cost: $250.00 before Nov 20, 2022, $300 after November 20, 2022

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 wavailable for Oregon and Washington
    • ​Oregon credits- 15 credits, and 11 of those will be core credits
    • ​Washington 16 credits

​​Oregon Interagency Noxious Weed Symposium​ Agenda​


Register online at

If you have any questions about registration
Please contact Chantal Pettit at or 503-991-2930


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