Saturday, May 3, 9:45 am - 2:00 pm Field Trip: Lacamas Prairie Hike Leader: Lecia Schall This premium field trip is offered to NPSO members only and is by special arrangement with the Washington Department of Natural Resources. Lacamas Prairie is the best (known) remnant of Willamette Valley wet prairie ecosystem occurring in Washington. It...
Saturday, May 3, 10:00 am – 12:00 pm Field Trip: Amazon Community Center Wildflower Walk Leader: Emerald Chapter Native Plant Society of Oregon Volunteers Location: Amazon Community Center, Front Lawn, Eugene Come meet the Native Plant Society at Amazon Community Center as we take a nature walk to identify plants around the park. Bring comfortable...
Saturday, May 3, 10:00 am – 12:00 pm Field Trip: Canemah Bluff Hike Leader: Mary Hayden Location: 917 4th Ave, Oregon City. Parking is limited Come with us for a leisurely stroll on mostly level trails across thin-soiled basalt bluffs of oak and madrone overlooking the Willamette River. We'll explore seasonal wetlands, camas meadows, and shady...
Tuesday, May 6, 10:00 am – 1:00 pm Field Trip: Camassia Preserve Walk Leader: Mary Hayden Location: 5000 Walnut St. West Linn, OR Join us for an easy one-mile stroll through a Nature Conservancy preserve named for the abundant common camas (Camassia quamash) which bloom there late April and early May. This preserve hosts more than 300...
Thursday, May 8, 10:00 am – 2:00 pm Field Trip: Upper McCord Falls Hike Leader: Mary Hayden Location: Upper McCord Falls, Warrendale, OR Climb a moderate hillside for two miles through conifers and lush undergrowth ending at vertical cliffs supporting unusual flora sustained by rocky seeps. Find sunny swaths of Corydalis sp. and coltsfoot bordering the creek as...
Thursday, May 8, 7:00 pm – 8:30 pm Program: Bull Run Watershed - Native plants, restoration projects Presenter: Angie Kimpo, Vegetation Stewardship Manager, Portland Water Bureau (PWB) Learn about the botanical work of the Vegetation Stewardship Program at the PWB, including the protection of rare plant communities and invasive species management. The PWB works cooperatively...
Saturday, May 10, 8:00 am - 1:00 pm Event: Bikes to Blooms, Emerald Chapter Booth Volunteering and Botany Walk Location: Bake Stewart Park, Dorena (12 miles east of Cottage Grove) All activities are accessible by car; carpooling is encouraged as parking is limited. If cycling, wear a helmet and be cautious of variable trail conditions....
Saturday, May 10, 9:00 am - 11:30 am Workshop: Beginner Botany Presenter: Sarah Fuller, Professor of Biology, Central Oregon Community College Location: Central Oregon Community College Science Center, NW College Way, Bend A presentation on plant taxonomy and major groups of plants and how they are classified. We will learn to apply botanical terms to floral structures. There...
Saturday, May 10, 9:00 am – 2:00 pm Field Trip: Sterling Mine Ditch Trail, Tunnel Ridge with the Siskiyou Plant Explorers Leader: Al Collinet The Tunnel Ridge section of the Sterling Mine Ditch Trail passes through oak and ponderosa pine woods, madrone groves, fir forests, and open grassy areas with excellent views of the mountains...
Saturday May 10, 2025: 9:30 am - about 2:00 pm (All day with travel to and from Ashland) Field Trip: A Botanical Exploration of the Sycan Marsh, The Nature Conservancy (TNC) Preserve Leaders: Sarah Ratay and Rachel Werling Explore the beauty and biodiversity of Sycan Marsh Preserve with us on a guided botany walk through this stunning...
Saturday, May 10, 10:00 am and 11:00 am Sunday, May 11, 10:00 am and 11:00 am Field Trip: Silver Falls State Park Leaders: Willamette Valley Chapter Members As part of the Silver Falls State Park Mother’s Day Birding and Wildflower Festival, members of the Willamette Valley Chapter of the NPSO will lead one-hour wildflower walks...
Saturday, May 10, 10:00 am and 11:00 am Sunday, May 11, 10:00 am and 11:00 am Field Trip: Silver Falls State Park Leaders: Willamette Valley Chapter Members As part of the Silver Falls State Park Mother’s Day Birding and Wildflower Festival, members of the Willamette Valley Chapter of the NPSO will lead one-hour wildflower walks...