Thank you for participating in our annual Spring Rose Show!

Winners will be posted soon.

  • Our next rose show is the Miniature Show which takes place at the historic Portland landmark, the Pittock Mansion, on August 2nd.

Schedule and entry guidelines will be posted closer to the show date.

No membership meetings during show season. Next meeting will be in October 2025.


Columbia County Master Gardeners Spring Garden Fair
Apr
26

Columbia County Master Gardeners Spring Garden Fair

Our 28th Annual Spring Garden Fair will feature 3,300 tomato plants & 1,000 hot & mild pepper plants for only $2.50 each; Plant Clinic; $1 raffle tickets and prizes, with drawings every 30 minutes; local vendors. Cash or checks only. ATM on-site. Rain or shine. Free admission & free parking. All proceeds support local Master Gardener™ programs.

Visit the event website here

View Event →
Garden Palooza
Apr
12

Garden Palooza

The 21st Annual Spring GardenPalooza®, April 11th & 12th, 2025, is a 2-day gardening extravaganza event with close to 40 vendors to get you excited about gardening and give you a head start on getting your spring & summer garden ready. See and buy hundreds of plants, garden art, gardening tools, soils & fertilizers, books, and more! Get free advice and information! There will be a ton of specials, coupons, and discount savings for those who attend. Admission to this event is free with lots of free on-site parking.

Visit the event website here

View Event →
Garden Palooza
Apr
11

Garden Palooza

The 21st Annual Spring GardenPalooza®, April 11th & 12th, 2025, is a 2-day gardening extravaganza event with close to 40 vendors to get you excited about gardening and give you a head start on getting your spring & summer garden ready. See and buy hundreds of plants, garden art, gardening tools, soils & fertilizers, books, and more! Get free advice and information! There will be a ton of specials, coupons, and discount savings for those who attend. Admission to this event is free with lots of free on-site parking.

Visit the event website here

View Event →
Hortlandia
Apr
5

Hortlandia

  • Wingspan Event Center @ Washington County Fairgrounds (map)
  • Google Calendar ICS

This premier gardening event is brought to you by HPSO and presents small specialist nurseries, amazing horticultural nonprofits with a retail presence, gardening equipment makers, and garden-themed artists from across the Pacific Northwest.


Friday admission: $25 / Saturday admission: $5

Visit the event website here

View Event →
Hortlandia
Apr
4

Hortlandia

  • Wingspan Event Center @ Washington County Fairgrounds (map)
  • Google Calendar ICS

This premier gardening event is brought to you by HPSO and presents small specialist nurseries, amazing horticultural nonprofits with a retail presence, gardening equipment makers, and garden-themed artists from across the Pacific Northwest.


Friday admission: $25 / Saturday admission: $5

Visit the event website here

View Event →

Join the Portland Rose Society

Meet fellow gardeners, get expert advice, participate in events, and be a part of a growing community!