Colorado blue columbine in the Colorado Rockies

Aquilegia coerulea

Colorado blue columbine usually blooms from mid-June to early August in the Colorado Rockies, with the best color from late June into mid-July.

mid-June – early August Best: late June into mid-July Out of season

The show usually starts around mid-June. Check back closer to the season.

Based on reports from iNaturalist naturalists. 5,248 flowering reports from Colorado shape this curve. The shaded band marks the best weeks; the dashed line is this week.

Where to see them

The state flower shows up wherever aspen meets spruce, but Yankee Boy Basin above Ouray is the pilgrimage — columbine by the thousand in mid-July.

Rocky Mountain National Park (Trail Ridge Road pullouts)
Yankee Boy Basin (Uncompahgre National Forest, Ouray)
Crested Butte area trails

We name public reserves, parks, and roads only — never exact pins, never private land.

Updated August 14, 2026. Bloom timing varies with the year's weather — the curve shows the usual rhythm, and in-season updates sharpen it.