Plant Nerd Night
HPSO is partnering with Mike Darcy to bring you this much-loved event. This is the 22nd year that Mike has been hosting Plant Nerd Night, which for many marks the start of the spring gardening season. Come hear regional nursery owners talk about the plants that excite them most. You'll also have the opportunity to win a door prize and do a bit of early season shopping.
Where: Lake Oswego High School Auditorium, 2501 SW Country Club Road, Lake Oswego, Oregon.
When: Sunday, March 16th
Cistus will have plants for sale, and our very own Sean Hogan will be speaking.
Hortlandia
This premier gardening event is brought to you by HPSO and presents small specialist nurseries, gardening equipment makers, and garden-themed artists from across the Pacific Northwest. Friday admission: $25 / Saturday admission: $5
Where: Wingspan Event Center at the Washington County Fairgrounds, 801 NE 34th Ave, Hillsboro, OR 97124
When: Friday, April 4th, 5pm-8pm & Saturday, April 5th, 10am-4pm
Cistus will have plants for sale at this event.
The Other Side Plant Sale
Come purchase plants, plant/nature themed art ,crafts, jewelry, tools, make friends, eat food, enjoy yourself!
Where: 458 SE 185th Ave. Portland, OR 97233 (between SE Stark and E Burnside, on SE 185th and SE 187th)
When: Saturday, May 24th, 10am - 4pm
Cistus will have plants for sale at this event.
HPSO Study Weekend
Hardy Plant Society of Oregon (HPSO) presents “Nimble Gardening in an Evolving World” – the theme for the Portland Study Weekend 2025. This is a four-day gardening conference for members only, join here online beforehand to become a member.
Where: Portland Crowne Plaza Hotel, Portland, OR
When: Friday, June 27th - Monday, June 30th
Our very own Sean Hogan will be speaking at this event.
HPSO After Hours at Cistus Nursery
The After Hours program brings gardeners together with area horticultural and garden businesses during evening hours, so that they can socialize, learn, shop and explore. HPSO After Hours events are free to members. Non-members can join at the event, or join here online beforehand.
Where: Cistus Nursery, 22711 NW Gillihan Rd, Portland, OR 97231
When: TBD
Our very own Sean Hogan will be speaking at this event.
Rancho Cistus 2nd Annual Summer Extravaganza!
Join us for our second annual Summer Extravaganza! We'll have plant booths from outside vendors, food trucks (ice cream!), speakers in the Rancho Cistus garage, and 10% off of most Cistus plants!
Where: Cistus Nursery, 22711 NW Gillihan Rd, Portland, OR 97231
When: Saturday, July 19th, 10am - 5pm
Our very own Sean Hogan will be speaking at this event. Other speakers TBD.
