Cottonwood Canyon
Sherman & Gilliam Counties, Oregon
Cottonwood Canyon State Park & BLM
Elevation: 500'-1500' Activity: walking/biking/hiking
Peak wildflower bloom in Cottonwood Canyon is typically from late March through early May, but there may be some flowers blooming from early March until the end of May.* (In 2025, things are running a little later than usual.)
Painted Hills
Wheeler County, Oregon
John Day Fossil Beds National Monument
Elevation: 1950'-2443' Activity: walking
Peak wildflower bloom in the Painted Hills is typically from late March through late May, but there may be some flowers blooming from early March until early June.* (In 2025, things are running a little later than usual.)
Rooper Road & Lawrence Grassland
Wasco County, Oregon
Bureau of Land Management & Nature Conservancy
Elevation: 3170'-3540' Activity: drive + hiking
Peak wildflower bloom along Rooper Road & Lawrence Grassland is typically from early April through mid-May, but there may be some flowers blooming from mid-March until the end of May.* (In 2025, things are running a little later than usual.)
Spring Basin Wilderness
Wheeler County, Oregon
Bureau of Land Management
Elevation: 1480'-2600' Activity: hiking
Peak wildflower bloom at Spring Basin Wilderness is typically from late March through late May, but there may be some flowers blooming from early March until early June.* (In 2025, things are running a little later than usual.)
Starvation Lane
Sherman County, Oregon
Cottonwood Canyon State Park & BLM
Elevation: 470'-1300' Activity: drive + walking/hiking
Peak wildflower bloom at Starvation Lane is typically from late March through early May, but there may be some flowers blooming from early March until the end of May.* (In 2025, things are running a little later than usual.)
* The dates given on this Web site for each location's blooming season are only estimates and can vary from year to year. Weather conditions in the winter and spring can shift these dates by up to a month, especially in the mountains. For the latest updates, check the Oregon Wildflowers or PortlandHikers Facebook groups, or browse the most recent postings to iNaturalist or Instagram.
