Centennial Logo for the International Rose Test Garden, Portland, Oregon
Centennial Logo for the International Rose Test Garden, Portland, Oregon

2018 Volunteer Orientations are scheduled!

If you’d like to deadhead roses during the bloom season, we need you at WA Park!  When the rose season is underway (typically late May), deadheading time blocks are Monday from 6-8pm, and Tuesday through Friday from 7am-2pm.  You come according to your availability, for an hour or more.

To become a volunteer, you must attend an orientation.  You only need to attend one.  Meet at the info Kiosk in the garden.
They are scheduled as follows:

  • Wednesday, May 23rd, 9:00am-11:00am
  • Friday, May 31st, 9:00am-11:00am

Hope to see you in the garden!

Rosebush Pruning

Here in the Pacific NW, the President’s Day holiday serves as a good reminder date since we are most likely free from any more hard freezes.  So, grab your pruners and take your rose bushes down to a height of 12”-18,” cutting the stems (also known as canes) just above the nearest healthy dormant bud.   Keep as many healthy canes as possible, but remove any smaller than a pencil diameter.  Remove any crossing canes and aim to open out the center of the bush.  Finish off the job with a top dressing of organic compost.  And then, await your reward of beautiful blooms in three months or less!


Washington Park International Rose Test Garden Centennial

The International Rose Test Garden (IRTG) in Washington Park celebrated its centennial last year. It was 1917 when Portland was selected as the location for the national test garden, in part to help preserve European roses threatened by World War I. Today, the Washington Park IRTG is the oldest continuously operating public rose test garden in the United States and welcomes nearly 700,000 visitors each year.

Official Centennial Sunshine Rose

Centennial Sunshine Rose

Get Yours Now — limited quantity available!

In celebration of 100 years of blooms, The Friends of the International Rose Test Garden is releasing the Centennial Sunshine Rose to observe this rich history. This light yellow Hybrid Tea rose has a large number of petals, a spicy fragrance and grows to 4-inch blooms. Its dark green, semi-glossy leaves provide a rich contrast.

To order your own Centennial Sunshine Rose today, download our order form and follow the instructions. (no shipping available)
A special thank you to Star® Roses and Plants for their donation of the rose plants.  Proceeds benefit the International Rose Test Garden.

About Us

Friends of Washington Park’s International Rose Test Garden is a non-profit Oregon Corporation.  Our mission is to preserve, protect, and enhance the International Rose Test Garden. The Friends recruit and support hundreds of garden volunteers who contribute their time and expertise deadheading, leading tours, and answering questions of garden visitors. The Friends assist in increasing public awareness of the garden and support efforts to maintain and improve the garden. We work in partnership with Portland Parks & Recreation.

Logo of Friends of International Rose Test Garden

How Your Donations Help...

Donations to Friends of the International Rose Test Garden are tax-deductible. You can click the button below to make a donation via PayPal. You do not have to have a PayPal account to donate. If you would prefer to send a check, see our address at the bottom of this page. And thank you!



Interested in Volunteering?

Deadheaders are needed during the rose season to prune off spent flowers. Interested?
Contact waparkroses@gmail.com for a volunteer orientation.

You’ll need to complete PP&R volunteer forms and bring them with you. Click Learn More.

Contact Us

Visiting the Rose Garden

The International Rose Test Garden is located in Washington Park, above downtown Portland, Oregon. Effective September 2016 to March 2018, parking is extremely limited in Washington Park due to a multi-year Portland Water Bureau project. Visitors are encouraged to take TriMet MAX Light Rail to Washington Park stop. Starting in April, the free WA Park shuttle runs through the park each weekend, including a stop at the rose garden.  From May through September, the free shuttle runs seven days a week.  Visit Explore Washington Park for further information.

Washington Park's International Rose Test Garden

Friends of International Rose Test Garden is a non-profit Oregon Corporation, dedictated to preserve, protect, and enhance the International Rose Test Garden in Washington Park, Portland, Oregon.  You can reach us by email at waparkroses@gmail.com or by postal mail at:

Friends of International Rose Test Garden
c/o Rose Garden Store
850 SW Rose Garden Way
Portland, OR 97205