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The 4.5-acre International Rose Test Garden at Washington Park is the oldest official, continuously operated public rose test garden in the United States. In 2006, World Federation of Rose Societies presented the Garden of Excellence Award to the International Rose Test Garden, part of Portland Parks and Recreation.
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More than 10,000 individual rose bushes bloom in the International Rose Test Garden (IRTG) from late May through October, representing over 610 different rose varieties. The majority of roses in the Garden are commercially available.
The International Rose Test Garden was founded in 1917 and is the oldest continuously operated public rose test garden in the United States. Learn more >>
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Jun 19, 2023 · Throngs of rose admirers enjoyed a mild summer afternoon at the International Rose Test Garden in Washington Park.
The International Rose Test Garden is a fragrant haven located in Washington Park in Portland, Oregon. It is the oldest continuously operated public rose test garden in the United States, displaying thousands of rose varieties and serving as a testing ground for new rose types.