Is Rocky Mountain Columbine good for the Colorado Front Range?

Yes, Rocky Mountain Columbine is a well-suited perennial for Colorado's Front Range.

How far apart do I plant Rocky Mountain Columbine?

Space Rocky Mountain Columbine about 13 in apart for a faster, fuller bed, or up to 18 in apart for a looser planting.

Is Rocky Mountain Columbine hardy on the Front Range?

Rocky Mountain Columbine is hardy in USDA 3 to 8. The Colorado Front Range spans roughly USDA 4b to 6a, so it is well within range.

How much water does Rocky Mountain Columbine need?

It needs medium water once established.

How long does Rocky Mountain Columbine bloom?

Rocky Mountain Columbine blooms for several weeks, a long-season performer on the Front Range. Bloom timing shifts a week or two with elevation and spring weather.

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Rocky Mountain Columbine

Aquilegia coerulea

Compiled by Nicholas Julia · Reviewed against CSU Extension & Plant Select® · Updated 2026-10-30

Rocky Mountain Columbine (Aquilegia coerulea) is a Colorado-native perennial suited to the Colorado Front Range. It matures to about 18 to 36 in tall and 12 to 18 in wide, needs medium water, and prefers full sun to partial shade to dappled sun. Colorado's state flower; blue + white nodding flowers; classic mountain native.

Colorado nativeOn the CSU listmedium water18 to 36 in tall and 12 to 18 in wideXeric / water-wise

Photos

Photo 1: Laura Gaudette https://www.inaturalist.org/people/gaudettelaura, Wikimedia Commons (CC-BY)
Photo 2: Whitney Brook Matson https://www.inaturalist.org/people/whitneybrook, Wikimedia Commons (CC-BY)
Photo 3: Ejohnsonboulder, Wikimedia Commons (PD)

At a glance

Will it survive here?

Hardiness zones: USDA 3 to 8
Water needs: medium water
Sun: Best in full sun; tolerates partial shade, dappled sun. Flowers best with more sun.
Soil: clay, loam, sandy
Soil pH: 6.5 to 8.0
Hail tolerance: high
Wind tolerance: high
Salt tolerance: moderate
Site uses: Dry shade under conifers

How big, what shape?

Mature size: 18 to 36 in tall and 12 to 18 in wide
Planting spacing: ~13 to 18 in apart

What it looks like, and when

Bloom time: late spring, early summer
Bloom color: blue, white
Bloom length: Long (several weeks)
Foliage: Deciduous

Who else benefits

Pollinator value: high
Deer: Not rated
Colorado native: Yes
Native ecoregion: foothills, montane

Also worth knowing

Fire rating: Not rated

Planting & establishment

Deep-water first season to establish, then minimal water needed.

Frequently asked questions

Is Rocky Mountain Columbine good for the Colorado Front Range?: Yes, Rocky Mountain Columbine is a well-suited perennial for Colorado's Front Range.
How big does Rocky Mountain Columbine get?: It matures to about 18 to 36 in tall and 12 to 18 in wide.
How far apart do I plant Rocky Mountain Columbine?: Space Rocky Mountain Columbine about 13 in apart for a faster, fuller bed, or up to 18 in apart for a looser planting.
Is Rocky Mountain Columbine hardy on the Front Range?: Rocky Mountain Columbine is hardy in USDA 3 to 8. The Colorado Front Range spans roughly USDA 4b to 6a, so it is well within range.
How much water does Rocky Mountain Columbine need?: It needs medium water once established.
Is Rocky Mountain Columbine native to Colorado?: Yes. It is a Colorado native.
How long does Rocky Mountain Columbine bloom?: Rocky Mountain Columbine blooms for several weeks, a long-season performer on the Front Range. Bloom timing shifts a week or two with elevation and spring weather.