Calendar of Events

Greater Portland Iris Society, “GPIS” Calendar 2025

  • General Meetings  Free and Open to the Public
    Location: Ainsworth House and Gardens

    19130 Lot Whitcomb Drive, Oregon City, Oregon
    Time: 7 pm-9 pm
    https://ainsworthhouse.net/

2025
January 18th GPIS Board Meeting 

Harris residence 11:30-lunch R.S.V.P.
Budget Meeting Following

February 8th, Judges Training/Luncheon
“Louisiana Irises” with Robert Treadway
Classroom Training, need not be a Judge to learn and participate
Location: Radisson Hotel Portland Airport, Portland, OR
Registration must be received by January 28th
Registration Form: JT-Feb-8-2025-Registration.jpg

  • March 4th, General Meeting
    Guest Speakers: Mark, Laura Oldencamp, of Portland Dahlia Society “Dahlias”
  • April 1st, General Meeting
    Guest Speaker: Chad Harris “Show Prep”

April 4th-5th, Hortlandia Plant Sale
Vendor GPIS will be selling Bearded and Beardless Iris
Sponsor: Hardy Plant Society of Oregon
Venue: Westside Commons, 801 NE 34th Ave, Hillsboro, OR
https://www.hardyplantsociety.org/hortlandia

May 4th, Early Season Iris Show
Note: The Iris Show is one day only while the Spring Garden Fair is a two-day event
The Iris Show is free with front-gate admission 
Venue: Spring Garden Fair, Clackamas County Events Center, Canby, OR
Show Schedule
Further Information: https://springgardenfair.org/

May 10th, In Garden Judges Training
Instructor Gary White, in Garden Median Iris, 2 Hr
Sponsored by Pierce County Iris Society and King County Iris Society
Garden Host Rod Mendenhall, Olympia, WA
10:30 am to 4 pm
Lunch provided
Registration is due by May 1st
Registration Judges-Training-2025-form-1.pdf

May 23rd- 24th, Siberian/Species Iris Convention
Ames, Iowa
Registration/Schedule: https://siberianirises.org/convention2025.pdf

May 24th, Mid-Season Iris Show
Venue: Clackamas Community Club
15711 SE 90th Ave. Clackamas, OR 97015
Show and parking free to the public
Time: 12 am- 4 pm
Show Schedule

June 2nd-7th, American Iris Society National Convention
Billings, Montana
Registration/Schedule: https://bigskyirisclub.com/2025-ais/

June 28th, Late Iris Show
Venue: Portland Japanese Garden
611 SW Kingston Ave., Portland, OR 97205
Show is Free with Garden Fee Entrance
Show Schedule

August 9th, Club Potluck/Auction
Venue: Timber Park, 30878 NW Evergreen Way, Estacada, OR
12 Noon to 3 pm

August 16th-17th, Bearded Iris Plant Sale
Venue: Portland Nursery on Stark,  5050 SE Stark, Portland, OR
Time: 9 am-4 pm

  • September 2rd, General Meeting
    Guest Speaker: Rita Butler “2025 AIS Convention”

September 20th-21st, Beardless Plant Sale
Venue: Portland Nursery on Stark,  5050 SE Stark, Portland, OR
Time: 9 am-4 pm

  • October 7th, General Meeting
    Guest Speaker: Susan Piper “Exercise Tips for Mature Gardeners”

October 25th, Region 13 Fall Region Meeting
Hosted by Greater Portland Iris Society

Information Registration to be posted later

  • November 4th, General Meeting
    Guest Speaker: Will Plotner “Historic Irises”

December 13th, Holiday Potluck/Gift Exchange
12 Noon
Venue: Sandy Grange Hall, 34705 SE Kelso Rd, Sandy, OR

  • General Meetings  Free and Open to the Public
    Location: Ainsworth House and Gardens

    19130 Lot Whitcomb Drive, Oregon City, Oregon
    Time: 7 pm-9 pm
    https://ainsworthhouse.net/