Washington Native Plant Society, Columbia Basin Chapter
Serving the Tri-Cities and Walla Walla

WNPS is affiliated with Earth Share of Washington

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The Columbia Basin Chapter of the Native Plant Society serves both the Tri-Cities and Walla Walla areas. The Tri-Cities membership meets the first Wednesday of each month from September through June; the Walla Walla membership meets the second Wednesday of each month. Both subchapters sponsor activities promoting native plants including:

  • Field trips
  • Plant identification workshops
  • Developing demonstration gardens
  • Salvaging native plants and seed collection
  • Organizing work parties to plant and restore native species
  • Public outreach and education
Check out the Activities link for a list of current activities. Our events are open to the public.

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