Ancient Lakes
Grant County, Washington
Quincy Lakes Wildlife Area (WDFW)
Elevation: 825'-1015' Activity: hiking
Peak wildflower bloom at Ancient Lakes is typically from early April through the end of May, but there may be some flowers blooming from mid-March until mid-June.*
Badger Mountain
Benton County, Washington
Badger Mountain Centennial Preserve
Elevation: 765'-1579' Activity: hiking, mountain biking (on some trails)
Peak wildflower bloom on Badger Mountain is typically from late March through late May, but there may be some flowers blooming from early March until early June.*
Basalt Gardens/Wanapum Dunes
Grant County, Washington
Bureau of Reclamation
Elevation: 815'-990' Activity: hiking
Peak wildflower bloom at Basalt Gardens/Wanapum Dunes is typically from late March through late May, but there may be some flowers blooming from early March until early June.*
Beezley Hills Preserve
Grant County, Washington
Nature Conservancy
Elevation: 1800'-2880' Activity: hiking
Peak wildflower bloom at Beezley Hills Preserve is typically from early April through early June, but there may be some flowers blooming from late March until late June.*
Cowiche Canyon
Yakima County, Washington
Cowiche Canyon Conservancy
Elevation: 1285'-1844' Activity: hiking & mountain biking
Peak wildflower bloom in Cowiche Canyon is typically from early April through the end of May, but there may be some flowers blooming from mid-March until mid-June.*
Echo Ridge
Chelan County, Washington
Okanogan-Wenatchee National Forest
Elevation: 2600'-4324' Activity: hiking & mountain biking
Peak wildflower bloom on Echo Ridge is typically from early May through the end of June, but there may be some flowers blooming from mid-April until mid-July.* (In 2023, things are running about a week later than usual.)
Fishtrap Lake
Lincoln County, Washington
Bureau of Land Management
Elevation: 1980'-2170' Activity: walking/biking/hiking
Peak wildflower bloom at Fishtrap Lake is typically from early April through early June, but there may be some flowers blooming from mid-March until the end of June.* (In 2023, things are running a little later than usual.)
Hanford Reach/White Bluffs
Grant County, Washington
Hanford Reach National Monument
Elevation: 400'-700' Activity: hiking
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.* (In 2023, things are running a little later than usual.)
Horse Heaven Hills
Benton County, Washington
Bureau of Land Management
Elevation: 840'-1927' Activity: hiking, biking, or driving
Peak wildflower bloom in the Horse Heaven Hills is typically from late March through late May, but there may be some flowers blooming from early March until early June.*
Juniper Dunes
Franklin County, Washington
Bureau of Land Management
Elevation: 750'-1100' Activity: hiking
Peak wildflower bloom at Juniper Dunes is typically from late March through late May, but there may be some flowers blooming from early March until early June.*
Kamiak Butte
Whitman County, Washington
Kamiak Butte County Park
Elevation: 2900'-3641' Activity: hiking
Peak wildflower bloom at Kamiak Butte is typically from late April through late June, but there may be some flowers blooming from late March until late July.* (In 2023, things are running a little later than usual.)
Mad River
Chelan County, Washington
Okanogan-Wenatchee National Forest
Elevation: 1630'-2400' Activity: hiking
Peak wildflower bloom at the Mad River is typically from mid-April through mid-June, but there may be some flowers blooming from early April until the end of June.* (In 2023, things are running a little later than usual.)
Rattlesnake Slope
Yakima County, Washington
Rattlesnake Slope Wildlife Area (WDFW)
Elevation: 470'-1100' Activity: hiking
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.*
Snow Mountain Ranch
Yakima County, Washington
Cowiche Canyon Conservancy
Elevation: 1894'-2968' Activity: hiking
Peak wildflower bloom at Snow Mountain Ranch is typically from early April through the end of May, but there may be some flowers blooming from mid-March until mid-June.*
Steamboat Rock
Grant County, Washington
Steamboat Rock State Park
Elevation: 1585'-2290' Activity: hiking
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.* (In 2023, things are running a little later than usual.)
Steptoe Butte
Whitman County, Washington
Steptoe Butte State Park
Elevation: 2600'-3612' Activity: walking
Peak wildflower bloom at Steptoe Butte is typically from late April through late June, but there may be some flowers blooming from late March until late July.* (In 2023, things are running a little later than usual.)
Turnbull NWR
Spokane County, Washington
Turnbull National Wildlife Refuge
Elevation: 2250'-2350' Activity: walking/biking/hiking
Peak wildflower bloom at Turnbull NWR is typically from early April through early June, but there may be some flowers blooming from mid-March until the end of June.* (In 2023, things are running a little later than usual.)
Umtanum Ridge/Baldy Mountain
Kittitas County, Washington
BLM & Wenas Wildlife Area (WDFW)
Elevation: 1295'-3225' Activity: hiking
Peak wildflower bloom on Umtanum Ridge/Baldy Mountain is typically from early April through early June, but there may be some flowers blooming from late March until late June.*
Wallula Gap
Walla Walla County, Washington
BLM, Whitman College, McNary NWR
Elevation: 330'-1200' Activity: hiking
Peak wildflower bloom at Wallula Gap is typically from mid-March through mid-May, but there may be some flowers blooming from early March until the end of May.*
Waterworks Canyon
Yakima County, Washington
Oak Creek Wildlife Area (WDFW)
Elevation: 1645'-3370' Activity: hiking
Peak wildflower bloom in Waterworks Canyon is typically from early April through the end of May, but there may be some flowers blooming from mid-March until mid-June.*
Wild Horse Wind Farm
Kittitas County, Washington
Puget Sound Energy
Elevation: 2600'-3600' Activity: drive + walking
Peak wildflower bloom at Wild Horse Wind Farm 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.
