State & Chapter Events

Updated 31 March 2018

Click a chapter name, or scroll the entire list.
State Filipendula Siskiyou
Blue Mountain High Desert South Coast
Cheahmill Klamath Basin Umpqua Valley
Corvallis Mid-Columbia Willamette Valley
Emerald Portland William Cusick


April 7, Saturday, 10 am–2 pm
State Board Meeting The next state board meeting will be hosted by the Siskiyou Chapter. Location: Talent Town Hall in downtown Talent, 206 E. Main.
April 22–28, Sunday-Saturday
Native Plant Appreciation Week Our annual state-wide celebration of native plants. Details of events will be in the April Bulletin.
June 1–3, 2018 Friday–Sunday
NPSO Annual Meeting 2018 The next Annual Meeting will be co-hosted by the Portland and High Desert Chapters. For more details and registration, please visit here.

Blue Mountain

For information on Blue Mountain Chapter call Jerry Baker,541-566-2244. To get on our email list, contact


For questions, or to be added to the Cheahmill Chapter's email list for reminders of upcoming programs and events, please contact the Cheahmill Chapter President at
Meeting and work party location:
Carnegie Room, McMinnville Public Library, 225 NW Adams St. (corner of Highway 99W and SW Second St.), McMinnville. The library parking lot may be entered from either Adams or Second street.
Field trip meeting location:
Corner of SE Linfield Ave. and Blaine St., McMinnville. To get there, take Hwy. 99W in south McMinnville, turn at Great Harvest toward the Linfield College campus on Linfield Ave. Park on the street.
April 21, May 19, June 23, July 28, Saturdays, 9–11 am
Work Party: Native Plant Garden. Please note our work party time will change in April. Work around the Carnegie Building with a congenial crew to maintain the beauty of this demonstration garden. Bring gloves, bucket, and gardening tools if you have them. Location: McMinnville Public Library, see above for details. For more information, contact Catie Anderson at or 503-435-2401.
April 26, Thursday, 7 pm
Program: Collecting Seeds from Native Plants. Jon Anderson, former owner of Seven Oaks Native Plant Nursery, and current director of Jonny Native Seed, will speak about collecting seeds from native plants. Learn how to collect native seeds to enhance your own garden. He will share his experiences as to when, where, how, cleaning, and techniques, as well as Dos and Don'ts. Location: McMinnville Public Library, see above for details.
April 28, Saturday, 9 am
Field Trip: Silver Falls State Park. Cheahmill Chapter will observe Native Plant Appreciation Week with a field trip to Silver Falls State Park. Interpretive Ranger Matt Palmquist will lead a walk through the park, where he has worked and photographed wildflowers for 10 years. Location: to join a carpool from McMinnville, meet no later than 9 am at SE Linfield Ave. and Blaine St., McMinnville. See above for directions. Or meet the group at 10:45 am on the front porch of South Falls Lodge in the South Falls Day-Use Area. Be prepared to walk on slick trails around the falls.
May 5, Saturday, 9 am
Field Trip: Deer Creek Park. See progress on wetland prairie restoration including Lupinus sulphureus ssp.kincaidii. Dave Hanson, park steward and past president of Cheahmill Chapter, will explain the hydrology of the still-wet site, which is being restored to its original state after agricultural disturbance. Be prepared to walk through watery areas. Location: meet no later than 9 am at SE Linfield Ave. and Blaine St., McMinnville. See above for directions. Or meet at the park at 9:45 am. For more information, call Dave at 503-843-4338.
May 12, Saturday, 9 am
Field Trip: The Butte. Cheahmill past-president, Dave Hanson, will lead this moderate hike to The Butte, an Area of Critical Environmental Concern. The Butte has an elevation of 1,407 feet and is situated approximately 8 1/2 miles due west of the city of McMinnville, between the waters of Muddy Creek and Deer Creek. It is not normally accessible by the public. Hikers will pass through a stand of 200 –400 year-old Douglas firs. Be prepared to do some off-trail bushwhacking. Location: meet no later than 9 am at SE Linfield Ave. and Blaine St., McMinnville. See above for directions. For more information, contact Dave at 503-843-4338.
May 26, Saturday, 10 am –3 pm
Community Event: Wildflower Show and Native Plant Sale. The Cheahmill Chapter will celebrate its 20th anniversary this year at this wildflower show. Chapter members scour Yamhill County for native plants, as many as possible in bloom, and fill the Carnegie Room of the library with color and fragrance. Species are identified by Latin name, common name, and plant family. Buy locally grown native plants and tour the native plant garden, which may offer some surprises this year. Location: McMinnville Public Library, see details above. Free admission. For more information, contact Marna Porath at or 971-267-0058.


For questions, information on upcoming events, or to be on the Corvallis chapter e-mail list, contact Find us on Facebook at
April 9, Monday, 7:30 pm
Meeting: Hydroecology of Juniper in Eastern Oregon. Carlos Ochoa, assistant professor of Watershed and Riparian Systems Management will talk about the ecology of juniper in Eastern Oregon. He will discuss both fire ecology and hydroecology. Location: Room 2087 Cordley Hall, 2701 SW Campus Way, OSU. For information contact Louise, 541-753-0012 or Judi,
April 21, Saturday, 9 am–1 pm
Community Event: Corvallis Farmers' Market. Corvallis NPSO will be at the Corvallis Farmers' Market. Come by and say "hi," learn what's in bloom locally, and find great local spots to see those flora. Location: 1st and Jackson and beyond.
April 22, Sunday, 1–3 pm
Field Trip: Jackson-Frazier Wetlands. In celebration of Native Plant Appreciation Week, join leaders Dan Luoma and Joyce Eberhart on a stroll through Jackson-Frazier Wetlands. The natural area trail is a boardwalk and the walk is wheelchair accessible. Location: meet at the parking area for Jackson-Frazier at the north end of Lancaster St., Corvallis. For more information contact Dan Luoma,


Visit the Emerald Chapter Web site to learn more about the latest chapter events, plant lists and botanical information about Lane County plants and the people who love them.
Meeting location: The venue for programs this season is the Amazon Community Center at 2700 Hilyard St. in Eugene. Go to the M.L.I. Room in Building "C."
April 14, Saturday, 9 am –1 pm
Field Trip: Lake Hills Homeowners Association Forest. Observe spring wildflowers, shrubs, and trees while we explore this 117 acre forested parcel NW of Veneta. The forest supports a diverse canopy of native trees associated with dry and moist Willamette Valley forest types, including native dogwood trees that may be flowering. We will also start a plant list to assist the homeowners association in their efforts to develop a management plan for the forest. We will walk about a mile on forest trails. Location: Meet at 19th and Patterson in the South Eugene High School parking lot. For more information, contact Ed Alverson, 541-461-1958.
April 21, Saturday, 6:30 pm
Program: Flies and Flowers. Flies of diverse lineages play a substantial role in the pollination of a large percentage of our native flora. Speaker August Jackson is the interpretation coordinator at Mount Pisgah Arboretum. His talk will provide an insight into the dynamic world of pollinating flies, an introduction to the species in our region, and a look at the flowering plants which rely on their services. Location: Amazon Community Center at 2700 Hilyard St. in Eugene. For more information call 541-954-5334.
April 21, Saturday, 10 am–noon
Field Trip: Explore Amazon Park. Join Nearby Nature and NPSO on this family-friendly wildflower wander. Play games, use magnifiers, and go on a spring scavenger hunt. Location: meet at the playground in Amazon Park, 22 Amazon Parkway, Eugene.
April 22, Sunday, 9 am–noon
Earth Day Field Trip: Hendricks Park. Celebrate Earth Day by volunteering in the Hendricks Park forest. Help remove invasive species and then get a guided tour of the native plant garden, where we will meet at 9 am. Location: Hendricks Park, Summit Ave. and Skyline Blvd, Eugene.
April 22, Sunday, 10 am–noon
Earth Day Field Trip: Birds, Bees, Butterflies and Blooms. Join local ecologists Peg Boulay and Bruce Newhouse as we enjoy the vibrant spring life at the Mount Pisgah Arboretum. Peg and Bruce will identify and talk about flowers and trees, birds and bees, and anything else you please! Rain or shine. Co-sponsored by NPSO. Cost: $5, Members free. Location: meet at the Arboretum Visitor Center, Mount Pisgah Arboretum, 34901 Frank Parrish Rd, Eugene.
April 26, Thursday, 4–7 pm
Field Trip: Native Plant Garden Work Party. Help the City of Eugene’s native plant garden thrive by volunteering here. Location: Hendricks Park, Summit Ave. and Skyline Blvd, Eugene.
April 27, Friday, 1–4 pm
Field Trip: Native Plant Nursery Work at Alton Baker Park. This nursery provides valuable native shrubs and herbaceous species for habitat restoration work by the City of Eugene. Location: Alton Baker Park, 538 Day Island Road, Eugene.
April 28, Saturday, 10 am–3 pm
Field Trip: Native Bee ID Workshop. Oregon is home to several hundred species of native bees, including a few dozen within the Eugene-Springfield city limits. Join August Jackson, Mount Pisgah Arboretum interpretation coordinator, for an introduction. We’ll start inside with an overview of bee biology and a look at some common species in our urban areas. In the afternoon, we’ll venture outside with nets to practice catching and identifying bees. All supplies provided. Location: meet at the Mount Pisgah Arboretum Visitor Center. Members $40, non-members $50. Pre-registration required. To register call 541-747-3817.
April 29, Sunday, 12:30–3 pm
Field Trip: Zumwalt Park, Fern Ridge Reservoir. Ed Alverson and members of Friends of Zumwalt Park will lead our annual wildflower tour of Zumwalt Park, a 74 acre Lane County Park located along the southern part of Fern Ridge Reservoir near Veneta. We will explore the park’s remnant prairie flora as well as younger conifer forest. Location: Meet at 12:30 pm to carpool from the Lowe’s store in west Eugene, NE corner of 11th Ave. and Bailey Hill Rd. Or meet at 1 pm the south entrance to the park along Vista Drive. Contact Ed Alverson, 541-461-1958, for more information.
May 13, Sunday, 9 am–noon
Field Trip: Wildwood Falls and Lasells Stewart Park. These two Lane County Parks are located on opposite sides of the Row River at scenic Wildwood Falls, southeast of Cottage Grove in the foothills of the western Cascades. Though only about 20 acres combined, the two parks have a diverse flora because of forest, riparian, and rock outcrop habitats. If there is interest, in the afternoon we can participate in the Bikes to Blooms event occurring nearby along the Row River Trail. Location: meet at 9 am at 19th and Patterson in the South Eugene High School parking lot. For more information, contact Ed Alverson, 541-461-1958.
Save the Date!
June 9, Saturday, 9 am
Field Trip: Horse Rock Ridge


This is a newly formed chapter for the northern Oregon coast area. For more information, visit our Facebook page: NPSO-Filipendula Chapter, or contact Field Trip Chair Carla Cole,
April 24, Tuesday, 9 am
Field Trip: Saddle Mountain State Natural Area. An early hike to see rare species before the main season begins in May. Look for Erythronium, Lloydia (synonym of Gagea), Dicentra cucullaria, and other early flowering species. Six mile round trip hike has steep sections; wear stout shoes and bring lunch and water. Location: meet at the trailhead off Hwy 26. Trip Leader: TBA, for more information contact Carla Cole

High Desert

For information, visit the High Desert Chapter website, Facebook page: 'Native Plant Society of Oregon: High Desert Chapter', or email

Klamath Basin

For information, visit the Klamath Basin Chapter website: or contact the chapter president, Kim Elliott


For information on the Mid-Columbia Chapter, contact Sara Wu at


If you would like to receive the semi-official Chapter e-mail newsletter, The Calochortus, e-mail Don Jacobson.
Facebook: Take a look at our Facebook page. Native Plant Society of Oregon-Portland-Chapter. It will have the most up-to-date information on hike and other events as well as great plant pictures.

The Portland Chapter meets the second Thursday of most months. Meetings and programs begin at 7:00 pm. MEETING PLACE: Copeland Commons, TaborSpace at Mt. Tabor Presbyterian Church, 5441 SE Belmont St., Portland. Enter the church through the main door off Belmont and turn right to enter the room. Parking is available in the church lot on the NW corner of SE 54th and Belmont.

April 7, Saturday
Field Trip: Sandy Canyon. Hike into a little-known area we’re calling ‘Sandy Canyon.’ We will begin on the cliffs above the Sandy River, near Oxbow Regional Park. The winding trail will pass wildflowers (penstemons, sedums, paint brush, etc.) on sandstone cliffs, going through woodlands. We’ll lunch along the Sandy River in the midst of a now-rare ancient grove of ginormous Douglas fir trees. Round-trip about 4 miles. There are no ‘amenities’ so bring drinking water, first aid, sanitary paper, plus the usual lunch, camera, etc. Contact leader Ginny Maffitt,, for carpool site and departure time.
April 12, Thursday, 7 pm
Program: Fire Ecology in the Columbia Gorge. Jurgen Hess, photojournalist and former USFS employee based in Hood River, will speak on the fire ecology of the Columbia Gorge. He will give current information on the long range effects of the Eagle Creek Fire and recovery of native plant communities with ongoing restoration efforts. Location: TaborSpace at Mt. Tabor Presbyterian Church, 5441 SE Belmont St, see above for details.
April 14, Saturday, 8:30 am–4:30 pm
Field Trip: Memaloose Hills. Wildflower hike in the East Gorge, moderate, 5–6 miles, 800 ft. gain. This hike is best done for the first time with someone who knows the trail. It is jam-packed with a variety of flower species, including the rare violet suksdorfia and big shows of balsamroot. It boasts a pioneer road, basalt formations, and lovely views of the Columbia River, Mt. Hood, and Mt. Adams. Located just east of the town of Mosier, this hike was a favorite of Russ Jolley. 140 miles round-trip drive. Co-leaders Beth Magnus and Clarice Johnston. Contact Clarice to sign up and for carpool site:
April 20, Friday, 5:30-8 pm
Field Trip: Green Infrastructure Bike Tour. Let’s first lock our bikes and tour the parking lot that started the whole sustainable stormwater movement in Portland. Then, pick up our bikes and tour some of the sites on pages 8–11 of the TriMet sustainability report ( to identify plants and other factors of sustainable stormwater. Cycling miles will be less than 12. Leader: Mary Vogel. Location: meet at the OMSI parking lot north of main entrance. Sign up on the NPSO Portland Meetup, You can also ask questions there.
April 21, Saturday, 9 am–1:30 pm
Field Trip: Lacamas Lake, Camas, Wash. Easy loop hike, about 4 miles along lakefront and through forested slopes, flowered meadows, and riparian areas. Hope to catch camas and avalanche lilies in bloom in the oak balds. To sign up and for more information, contact leader Ron Klump, 360-576-1968 or
April 25, Wednesday
Field Trip: Camassia Preserve, West Linn. Easy one mile hike through a Nature Conservancy preserve named for the common camas (Camassia quamash), which blooms profusely here in April and early May. This preserve hosts more than 300 plant species. The rocky plateau was exposed 12,000–19,000 years ago when the Bretz or Missoula Floods poured down the present Columbia River Gorge and far into the Willamette Valley. Location: meet at the entrance, 5000 Walnut Street, West Linn. Limited to 12 people; parking is very limited so please carpool. To sign up and for more information, contact leader Jason Clinch, or 503-706-2404.
April 29, Sunday, 8:30 am
Field Trip: Salmon River Trail to Vanishing Falls. We will hike 7.2 miles with a 900 ft. gain to a viewpoint. See rock gardens and ancient forest floor spring ephemerals along a river the BLM claims is the longest protected river in the lower 48. This tour is oriented towards beginning native plant enthusiasts and will go at a moderate interpretive pace. Please do some research and be prepared to tell us about at least one plant species or other aspect of natural history. Leader: Mary Vogel. Location: meet at Gateway Transit Center Garage. Sign up on the NPSO Portland Meetup, You can also ask questions there.
May 2, Wednesday
Field Trip: Canemah Bluff, Oregon City. Join us for a tour of Metro’s Canemah Bluff Natural Area. It features restored meadows full of camas, lilies, rosy plectritis, and oak and fir woodlands with many other native plants. Metro’s science team has removed invasive plants and thinned trees to help restore the oak habitat. Location: meet at 815 4th Ave., Oregon City. Limited to 12 people; parking is very limited so please carpool. To sign up and for more information, contact leader Jason Clinch, or 503-706- 2404.
May 9, Wednesday, 6–8 pm
Field Trip: Marquam Nature Park. Attune your senses to the beautiful native plants commonly found in the understory of our area's woodland and forest habitats. Geared for the novice-level native plant enthusiast, this hike is an opportunity to start becoming familiar with the native flora in Marquam Nature Park. We will cover a 1.2 mile loop with about a 300 ft. gain, on a trail that may be muddy. This hike will be held rain or shine. Limited to 6 participants. To register and for more information, contact leader Brenda Hamilton at
May 10, Thursday
Program: Geobotanical Wonders of Central Oregon. Oregon’s diverse plant life is a result of its diverse geology. Explore the wide variety of Central Oregon's botanical treasures and learn how they relate to the surrounding landscape. Dr. Stu Garrett will take us on an armchair tour of the rise of the Cascade Mountains, glacial sculpting of the ice ages, the Great Sandy Desert, and dramatic lands of lava. You will learn about some of Oregon’s rarest plant species, including ones found only in Crook County. Location: TaborSpace at Mt. Tabor Presbyterian Church, 5441 SE Belmont St., see above for details.


To join the Siskiyou Chapter email list: Send an email, from the address at which you want to receive announcements, to No subject or message is required. You will get a confirmation email. If you would like to volunteer to lead a hike in 2018, make a suggestion, or provide feedback regarding the field trip program, please contact Julie Spelletich at: Join us on Facebook at:
April 14, Saturday 10 am
Field Trip: Rough & Ready Botanical Wayside. This Wayside is world renowned for its rare wildflowers and serpentine soils. The wildflowers of Rough & Ready Creek are threatened by two invasive species from the mustard family, Alyssum murale and A. corsicum. You will enjoy rare wildflowers while keeping an eye out for these Alyssum to help eradication efforts. Bring water; wear layered clothing and comfortable shoes. The ground is relatively level, but uneven and very rocky. Part of the hike is wheelchair accessible. Location: meet at the parking area at the Rough & Ready Botanical Wayside on west side of Hwy 199, south of Cave Junction. For more information, call Suzanne Vautier of the Cultural & Ecological Enhancement Network at 541-291-8860.
April 19, Thursday, 7 pm
Talk: Molecules of Nature—Biodiversity, the Sixth Mass Extinction, and the Future of Medicine. One half of our prescription medications and 70% of cancer drugs arise from the natural world with all its stunning biodiversity. Nonetheless, 20% of mammals, reptiles, and plants are threatened with extinction while 33% of amphibians are facing oblivion. Dr. Paul Torrence holds a PhD in Chemistry and was appointed full investigator at the Arizona Cancer Center in Tucson. He will discuss whether we have the moral resources to arrest this annihilation. Refreshments at 6:45pm, meeting and program at 7:00 pm. Location: Southern Oregon University Science Building, Room 161. Free and open to the public. For information contact Alexis, or 860-878-2049.
April 29, Sunday, 10 am
Field Trip: Mule Mountain Hike. In celebration of Native Plant Appreciation week, join Siskiyou Chapter board members Suzie Savoie and Julie Spelletich for a moderately difficult hike through oak woodland, chaparral, and grasslands along the way to our lunch spot below the summit of Baldy Peak where we will have sweeping views of the Applegate Valley and snow-capped Red Buttes. Many common spring wildflowers bloom here, as well as unique species such as the rare slender flowered evening primrose (Tetrapteron graciliflorum) and hybrid fawn lilies, a natural cross between Erythronium hendersonii and E. citrinum that results in a variety of color variations. Contact for carpool info and to sign up.

Umpqua Valley

Visit for more information on chapter activities or to be added to our email list. Check out our Facebook page, Not online - call Donna Rawson 541-459-2821.
April 7, Saturday, 8:30 am
Field Trip: Rogue River Trail. We will be looking for blooming plants along the wild and scenic portion of the Rogue River Trail, downstream from Graves Creek. Bring a sack lunch and plan for a moderate 1 to 2 mile hike. This is an all day field trip. For more information and to sign up, call Donna at 541-459-2821.

Willamette Valley

For program information, contact John Savage at 503-399-8615
April 14, Saturday, 9 am–1 pm
Wildflower Walk: Howard Creek Trail at Silver Falls State Park. Join Aislinn Adams and John Savage of the Willamette Valley Chapter on a family-friendly walk in search of Calypso bulbosa and other early-blooming wildflowers. Bring water, lunch, and appropriate foot gear and clothing for early spring. This is a rain-or-shine event. Location: meet in the parking lot at the Willamette Heritage Center, 1313 Mill Street SE, Salem at 9:00 am to carpool. Cost: $5 suggested donation (Free to members of NPSO and the David Douglas Society.) Registration required. To register and for more information, contact John Savage, or 503-779-5414.
April 18, Wednesday, 6–7 pm
Nature Talk: Illahe-Kemteks—Weaving Northwest Plants and Cultures. Join Grand Ronde tribal member and traditional basket weaver Stephanie Craig as she weaves the complex story of Western Oregon tribes. From the era of removal from traditional lands to the cultural revitalization of today, Craig traces the resiliency of Native people and cultures through traditional basket making using native plants. Reception to follow. Location: Eco Hub, 1313 Mill Street SE, Salem. Cost: $5 suggested donation at the door. No registration or RSVP required. For more information, contact John Savage, or 503-779-5414.

William Cusick

Visit our Web site at or contact Susan Geer at 541-963-0477 or Emelie Montgomery-Jones at 541-963-3339 for updates and general information. Chapter notices and communications are done primarily through a Google group. Members are reminded to contact Susan or Emelie if they want to be added to the Google group, or if they do not have internet access and want to be contacted by phone for events.
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