San Benito County WMA

Acting Chair: Amelia Ryan, Pinnacles National Park

Ken Griffin, San Benito County Department of Agriculture

General contact: Amelia Ryan, or Ken Griffin,

Meetings: Biannually

Formed: 2001


  • Education workshops held every fall.

Project Highlights:


  • A survey of weeds along County roads


  • The WMA organizes educational programs and develop an awareness plan which focuses on educational needs. This entails weed prevention, weed detection, weed control methods, weed biology, weed identification, weed economics, and environmental impacts. Outreach includes education workshops, weed control studies and weed identification.


  • Control work is primarily focused on five weeds: Yellow Starthistle, Purple Starthistle, Stinkwort, Russian thistle, Artichoke thistle, Scotch Thistle and Giant reed.

Other Regular Participants

  • Bureau of Land Management
  • National Park Service – Pinnacles National Park
  • San Benito County Agricultural
  • California Department of Transportation
  • California State Parks – Hollister Hills SVRA
  • San Benito County Farm Bureau
  • California Dept. of Food and Agriculture
  • San Benito County Road Department
  • San Benito County Cattleman’s Association
  • USDA Natural Resource Conservation Service
  • University of California Cooperative Extension
  • San Benito Resource Conservation District