Columbia Gorge

Cooperative Weed Management Area

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  • About
    • Who Are We?
    • Why Manage Weeds?
    • Steering Committee
  • Events
    • CWMA Calendar
    • Invasive Species and Exotic Pest Workshop
      • 2026 Columbia Gorge Invasive Species and Exotic Pest Workshop
      • 2025 Columbia Gorge Invasive Species & Exotic Pest Workshop
      • 2024 Columbia Gorge Invasive Species & Exotic Pest Workshop
      • 2023 Columbia Gorge Invasive Species & Exotic Pest Workshop
      • 2022 Columbia Gorge Invasive Species & Exotic Pest Workshop
      • 2021 Columbia Gorge Invasive Species & Exotic Pest Workshop
      • 2020 Columbia Gorge Invasive Species and Exotic Pest Workshop
      • 2019 Columbia Gorge Invasive Species and Exotic Pest Workshop
      • 2015 Columbia Gorge Invasive Species and Exotic Pest Workshop
    • Field Day
      • Field Day 2026
      • Field Day 2024
      • Field Day 2023
      • 2019 Field Day in the Eagle Creek Fire Burn Area
    • Stop The Invasion
      • 2019 Stop The Invasion: Weed Management 101
      • 2017 Stop the Invasion: Weed Management 101
    • 2019 Boot Brush Kick-Off
  • Projects
    • Clean Your Boots to Protect the Columbia Gorge
  • Weeds
    • Best Management Practices
      • Canada Thistle
      • Cutleaf/Himalayan Blackberry
      • English Holly
      • False Brome
      • Garlic Mustard
      • Hawkweeds
      • Houndstongue
      • Indigobush
      • Invasive Ivy
      • Knotweeds
      • Old Man’s Beard
      • Meadow Knapweed
      • Poison Hemlock
      • Puncturevine
      • Purple Loosestrife
      • Reed Canarygrass
      • Rush Skeletonweed
      • Scotch Broom
      • Scotch Thistle
      • Shiny Geranium
      • Spotted Knapweed
      • Tansy Ragwort
      • Tree of Heaven
      • Ventenata
      • Yellow Starthistle
    • CWMA Weed List
    • Weed List Ranking
  • Media
    • CGCWMA Poster 2015
    • CGCWMA Trifold
    • Play. Clean. Go.
    • Puncturevine Brochure-HRSWCD
    • Worst Weeds of the Gorge QR Code
    • Puncturevine Poster-HRSWCD
    • Thistles of the Willamette Valley
    • WIN IPM Matrix
    • Worst Weeds of the Gorge
  • How To Help
    • Support the CWMA
    • Member Packet
  • Archive
    • General Meeting Minutes
    • Steering Committee Minutes
    • Education & Outreach Committee Minutes
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Past Events

4th Annual Columbia Gorge Invasive Species and Exotic Pest Workshop

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Questions? Contact us

columbiagorgecwma@gmail.com

509-427-3942

Columbia Gorge CWMA

704 SW Rock Creek Drive
Stevenson, WA 98648
509-427-3942
columbiagorgecwma@gmail.com
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