Updated Sep 28
Pictured: Guanella Pass · typical peak lookColoradowildflowers
When do wildflowers bloom in Colorado?
Wildflowers usually bloom from April to August.
Updated Sep 28.
Places by state
Colorado
- Guanella PassSeason over
Local timing: Jun 15–Aug 10
- Rocky MountainSeason over
Local timing: May 21–Aug 10
Official reports
Dated and linked
- Sep 27Park ServiceAlpine wildflowers best mid-June through the end of JulySource (opens US Forest Service, Celebrating Wildflowers: Mt. Goliath - Mt. Evans Viewing Area (Arapaho National Forest) in a new tab)
- Sep 27Park ServiceBest wildflowers late June to early AugustSource (opens US Forest Service, Celebrating Wildflowers: Berthoud Pass Trailhead (Arapaho National Forest) in a new tab)
- Sep 27Park ServiceTimed-entry reservation to park; seasonal gate open mid-June to mid-OctoberSource (opens US Forest Service, Brainard Lake Recreation Area in a new tab)
Show all 11
- Sep 27Park ServiceRaptor nesting closures February 1 to about July 31Source (opens US Forest Service, Boulder Canyon in a new tab)
- Sep 27Park ServiceTundra wildflowers bloom late May through early August; six Tundra Closure AreasSource (opens National Park Service, Rocky Mountain alpine tundra ecosystem in a new tab)
- Sep 27Park ServiceMany of the park's wildflowers bloom somewhere in the park in JulySource (opens National Park Service, A Riot of Wildflowers (Rocky Mountain) in a new tab)
- Sep 27Park ServiceOver 900 species; view tundra flowers from designated trails and hardened surfacesSource (opens National Park Service, Rocky Mountain wildflowers in a new tab)
- Sep 27Park ServiceScarlet gilia mid-June to late August near the east and west entrancesSource (opens National Park Service, Rocky Mountain pink and red wildflowers in a new tab)
- Sep 26Park ServiceTrail Ridge Road closed to through travel mid-October to late May; busiest late May through OctoberSource (opens National Park Service, Rocky Mountain hours and seasons in a new tab)
- Sep 26Park ServiceTrail Ridge Road: 48 miles, up to 12,183 ft; Old Fall River Road open early July to early OctoberSource (opens National Park Service, Rocky Mountain road status in a new tab)
- Sep 26Park ServiceBear Lake Road 9.2 miles, 8,200 to 9,475 ft; Bierstadt Lake; Bear Lake parking often full by 9 a.m.; snow on the Bear Lake Trail late October to early JuneSource (opens National Park Service, Exploring the Bear Lake Road corridor in a new tab)
Questions people ask
Where can I see wildflowers in Colorado?
We track 2 places: Guanella Pass and Rocky Mountain.
How do you track wildflowers?
Each place moves through 5 stages: Not yet, Early, Good, Peak and Fading. Every stage we show comes from a dated report with its source, and every forecast lists its sources.