Wildflower Destinations in the Pacific Northwest
Region: Eastern Washington
Okanogan Highlands, Spokane Valley, Columbia Plateau, Blue Mountains, The Palouse

Abercrombie Mountain
Stevens County, Washington
Colville National Forest
Elevation: 4975'-7308'
Peak wildflower bloom on Abercrombie Mountain is typically from early July through the end of August, but there may be some flowers blooming from mid-June until mid-September.*

Dishman Hills
Spokane County, Washington
Dishman Hills Conservation Area
Elevation: 2385'-3570'
Peak wildflower bloom in the Dishman Hills is typically from early April through the end of May, but there may be some flowers blooming from mid-March until mid-June.*

Hanford Reach/White Bluffs
Grant County, Washington
Hanford Reach National Monument
Elevation: 400'-700'
Peak wildflower bloom at Hanford Reach/White Bluffs is typically from early April through the end of May, but there may be some flowers blooming from mid-March until mid-June.*
Little Spokane River
Spokane County, Washington
Little Spokane River Natural Area
Elevation: 1563'-2450'
Peak wildflower bloom at the Little Spokane River is typically from late March through late May, but there may be some flowers blooming from early March until early June.*
Rattlesnake Slope
Yakima County, Washington
Rattlesnake Slope Wildlife Area (WDFW)
Elevation: 470'-1100'
Peak wildflower bloom at Rattlesnake Slope is typically from late March through late May, but there may be some flowers blooming from early March until early June.*
Sherman Pass
Ferry County, Washington
Colville National Forest
Elevation: 5420'-6500'
Peak wildflower bloom at Sherman Pass is typically from late June through late August, but there may be some flowers blooming from early June until early September.*

Steamboat Rock
Grant County, Washington
Steamboat Rock State Park
Elevation: 1585'-2290'
Peak wildflower bloom at Steamboat Rock is typically from early April through the end of May, but there may be some flowers blooming from mid-March until mid-June.*
* 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.