The International Rose Test Garden is a rose garden in Washington Park in Portland, Oregon, United States. There are over 7,000 rose plants of approximately 550 varieties. The roses bloom from April through October with the peak coming in June, depending on the weather. New rose cultivars are continually sent to the garden from many parts of the world and are tested for color, fragrance, disease resistance and other attributes. It is the oldest continuously operating public rose test garden in the United States and exemplifies Portland's nickname, "City of Roses".FeaturesThe International Rose Test Garden has 4.5acres in several tiers facing downtown Portland, the Willamette River, and East Portland. On clear days, there are views of the Cascade Mountains, with Mount Hood featured prominently.An amphitheater hosts many events throughout the year, predominantly classical music concerts and a few plays. During good weather, the amphitheater is popular for picnicking and flying disc games. The Queens Walk is a brick walkway at the side of the garden with a bronze star honoring each Rose Festival queen since 1907.
