Monday, May 4, 6:00pm Presentation: Eight Dollar Mountain: the Place, the Plants, and a Growing Threat Speaker: Kristi Mergenthaler Location: In-person presentation at the Siskiyou Field Institute in Selma, Oregon...
Tuesday, May 5, 9:00 am - 11:00 am Work Party #315: Native Plant Garden at McMinnville Public Library Location: McMinnville Public Library Help NPSO and Yamhill Soil and Water Conservation...
Thursday, May 7, 9:30 am – 2:00 pm Field Trip: Hobart’s Bluff Leader: Rachel Werling Hobart’s Bluff Trail is a gorgeous and accessible way into the Cascade Siskiyou National Monument...
Date: Saturday, April 4, 9:00 am - 11:30 am AND Saturday, May 9, 9:00 am - 11:30 am Volunteer Outreach: Westmoreland Park Wetlands Enhancement Work Party Leader: Nancy Bray Location:...
Saturday, May 9, 11:00 am and 12:00 pm Sunday, May 10, 11:00 am and 12:00 pm Field Trip: Silver Falls State Park Leaders: Willamette Valley Chapter NPSO Members As part...
Saturday, May 9, 11:00 am and 12:00 pm Sunday, May 10, 11:00 am and 12:00 pm Field Trip: Silver Falls State Park Leaders: Willamette Valley Chapter NPSO Members As part...
Monday, May 11, 7:30 pm to 8:30 pm Program: Emerald Ash Borer: A Threat to Our Forest Presenter: Matt Mills Location: Cordley Hall Room 2602, Oregon State University or by...
Thursday, May 14, 7:00 pm Presentation: Analyzing the Impacts of Free-Range Cattle on Mountain Meadows in the Scott River Watershed Presenter: Courtney Akers Location: In-person presentation at the Siskiyou chapter...
May Program: Thursday, May 14, 2026, 7-9 pm Resilience Is Our Nature: Honoring Endangered Plants on Canvas Susan Harrington, artist Susan Harrington, a full-time artist in the Portland area, will...
Date: Saturday, May 16, 9:00 am – about 11:00 am Field trip: Woodpecker Loop, Finley Wildlife Refuge Leader: Judi Sanders Location: Woodpecker Loop Trail, W.L. Finley National Wildlife Refuge We...
Saturday, May 16, 9:00 am - 3:00 pm Field Trip: Sterling Mine Ditch Trail from Deming Gulch Leader: Al Collinet Meeting Location: Walmart Supercenter at 1360 Center Drive in Medford...
Saturday, May 16, 9:00 am Event: Annual Native Plant Sale Our annual native plant sale has been promoted on our website, Facebook, our email distribution list, the local newspaper, and...