June 27-30, 2025
at the Portland Crowne Plaza Hotel

Hardy Plant Society of Oregon (HPSO) presents “Nimble Gardening in an Evolving World” – the theme for the Portland Study Weekend 2025. This four-day gardening conference will take place at the Portland Crowne Plaza Hotel, June 27-30, 2025. Deepen your gardening knowledge and network with these activities:
  • Friday evening lecture (and reception) and Saturday and Sunday morning lectures by six internationally renowned speakers
  • 20+ open gardens for self-guided touring Friday - Monday, with each day conveniently focused on a particular area. (Saturday and Sunday touring after morning lectures.)
  • Optional Soiree celebration (Saturday evening) at the exquisite Spanish-inspired venue Villa Catalana Cellars
  • Plant sale with phytosanitary inspections for out-of-country guests
  • Book signing and sales
  • Art sales in the gardens
  • Botanical display
  • Door prizes
  • Silent auction, benefiting HPSO grants program
  • Receptions and morning coffee breaks to socialize with fellow gardeners who share your passion
Tickets for HPSO members are $220 and non-members $260 (includes a one-year digital membership to HPSO). Optional Soiree (Saturday evening) ticket is $100.

Registration for HPSO members and members from our sister organizations will open February 01, 2025.
Don't want to miss your chance to register for this historically sold out event? Become an HPSO member today to get early access to registration.
 

Garden Study Weekend "unfurls" every two years over a weekend in late June, rotating among four cities and the local host organizations dedicated to perennial plants. Can’t make it to this year’s Garden Study Weekend? Your next opportunities are shown below:


2027   Victoria, B.C. / host: Victoria Horticultural Society’s Hardy Plant Group

2029   Bellevue/Seattle area, Washington / host: Northwest Perennial Alliance

2031   Vancouver, B.C. / host: Vancouver Hardy Plant Group

2033   Portland, Oregon / host: Hardy Plant Society of Oregon

 

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