Wildflower Destinations in the Pacific Northwest

Region: Eastern Washington

Okanogan Highlands, Spokane Valley, Columbia Plateau, Blue Mountains, The Palouse

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(Sort: alphabetically, north to south, west to east, by bloom time)

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.*

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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.*

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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.*

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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.*

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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.*

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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.*

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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.*

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Photo albums: 2019

* 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.