Back Washington Park International Rose Test Gardens CEB International Rose Test Garden Spanish International Rose Test Garden French International Rose Test Garden Dutch Vườn thí nghiệm hoa hồng quốc tế Vietnamese
| International Rose Test Garden | |
|---|---|
 A panoramic view of the International Rose Test Garden | |
  International Rose Test Garden  International Rose Test Garden  International Rose Test Garden | |
| Type | Rose garden |
| Location | 400 SW Kingston Ave. Portland, Oregon |
| Coordinates | 45°31′09″N 122°42′19″W / 45.5191°N 122.7054°W |
| Area | 6.90 acres (2.79 ha) |
| Opened | 1917 |
| Owned by | City of Portland |
| Operated by | Portland Parks & Recreation |
| Visitors | 700,000 (estimated) |
| Plants | 10,000+ |
| Collections | Shakespeare Garden Gold Medal Garden Royal Rosarian Garden Miniature Rose Garden |
The International Rose Test Garden is a rose garden in Washington Park in Portland, Oregon, United States. There are over 10,000 rose bushes of approximately 650 varieties. The roses bloom from April through October with the peak coming in June, depending on the weather.[1] New rose cultivars are continually sent to the garden from many parts of the world and are evaluated on several characteristics, including disease resistance, bloom formation, color, and fragrance.[1] It is the oldest continuously operating public rose test garden in the United States and exemplifies Portland's nickname, "City of Roses". The garden draws an estimated 700,000 visitors annually.[2]
- ^ a b Garland, Chad (June 8, 2014). "Portland rose garden's history lies in World War I". The Spokesman-Review. Cowles Company. Retrieved January 4, 2018.
- ^ Hewitt, Lyndsey (27 March 2017). "Rose Garden in bloom for 100 years". Portland Tribune. Retrieved 2018-01-03.
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