Crooked River Weed Management Area

Central Oregon

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Welcome to the Official Website for the Crooked River Weed Management Area.

The Crooked River Watershed encompasses 2.9 million acres of private, state and federal lands in Central Oregon. Russian knapweed, whitetop, Scotch thistle, and the other noxious weeds do not respect property boundaries. The CRWMA works cooperatively with all landowners and managers to treat weeds strategically on a population basis.   More information ... details

CRWMA - Contact us ...

OSU Crook County Extension Office
498 SE Lynn Blvd
Prineville, OR 97754 USA

Phone: (541) 447-9971
Contact the CRWMA Office: email

CRWMA News

2019 Landowner Program
04/01/2019
2019 Landowner Programs are available depending on where you live.

Biocontrol for landowners in Crook, Wheeler, and Jefferson counties
1.Russian knapweed wasp/midge
2. Canada thistle gall fly and rust
3. Leafy spurge flea beetles and borer
See ODA biocontrol program for more information https://www.oregon.gov/ODA/programs/Weeds/Pages/BiologicalControl.aspx

Musk thistle assistance for Upper Crooked River and Upper John Day River Information

Yellow starthistle assistance for Crook, Jefferson, and Wheeler counties.
Please call CRWMA, Wheeler SWCD, or Jefferson SWCD for help.



Board Meeting
04/09/2019
2:00p - 4:30pm @ OSU Extension Office Conference Room

Open To The Public

Board Meeting
06/11/2019
2:00pm - 4:30pm at the OSU Extension Office Conference Room

Open To The Public


Copyright 2019 by CRWMA