Harebells
Campanula rotundifolia
Harebells (Campanula rotundifolia) is a Colorado-native perennial suited to the Colorado Front Range. It matures to about 12 in tall and 6 in wide, needs low water, and prefers full sun. CO native perennial; supports pollinators.
Colorado nativeOn the CSU listlow water12 in tall and 6 in wideXeric / water-wiseLow ignitability: OK 0-30 ft from the house, CSU score 9.5/10Deer-resistant
Photos
- Photo 1: Tesla Delacroix, Wikimedia Commons (CC-BY-SA)
- Photo 2: (unknown), Wikimedia Commons (CC-BY-SA)
- Photo 3: no rights reserved
- Photo 4: no rights reserved
- Photo 5: (c) Dave, some rights reserved (CC BY)
- Photo 6: Anton Ehrola, Wikimedia Commons (CC-BY-SA)
At a glance
Will it survive here?
- Hardiness zones
- USDA 3 to 8
- Water needs
- low water
- Sun
- Best in full sun.
- Soil
- clay, loam, sandy
- Soil pH
- 6.5 to 8.0
- Hail tolerance
- high
- Wind tolerance
- high
- Salt tolerance
- moderate
- Site uses
- Slopes & erosion control
How big, what shape?
- Mature size
- 12 in tall and 6 in wide
- Planting spacing
- ~4 to 6 in apart
What it looks like, and when
- Bloom time
- early summer, mid summer, late summer, early fall
- Bloom color
- blue, purple
- Bloom length
- Long (several weeks)
- Foliage
- Deciduous
Who else benefits
- Pollinator value
- high
- Deer
- Generally deer-resistant
- Colorado native
- Yes
- Native ecoregion
- shortgrass prairie, foothills
Also worth knowing
- Fire rating
- Low ignitability: OK 0-30 ft from the house, CSU score 9.5/10
Planting & establishment
Native perennial; deep-water first season to establish, then minimal water needed.
Frequently asked questions
- Is Harebells good for the Colorado Front Range?
- Yes, Harebells is a well-suited perennial for Colorado's Front Range.
- How big does Harebells get?
- It matures to about 12 in tall and 6 in wide.
- How far apart do I plant Harebells?
- Space Harebells about 4 in apart for a faster, fuller bed, or up to 6 in apart for a looser planting.
- Is Harebells hardy on the Front Range?
- Harebells 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 Harebells need?
- It needs low water once established.
- Is Harebells native to Colorado?
- Yes. It is a Colorado native.
- Is Harebells deer-resistant?
- Harebells is generally considered deer-resistant, though no plant is deer-proof when browse pressure is high.
- Is Harebells a good firewise plant near the house?
- Harebells is rated 9.5 of 10 in CSU Extension Fact Sheet 6.305 (2025), where higher means less ignitable, so it can go within 0 to 5 feet of the house as well as out to 30 feet when kept watered and tidy. This is general guidance based on CSU Extension Fact Sheet 6.305 (2025), not a guarantee that any plant won't burn, a well-irrigated, well-maintained plant is the goal. Follow CSU Extension defensible-space guidance and check with your local fire district before planting in the wildland-urban interface.
- How long does Harebells bloom?
- Harebells blooms for several weeks, a long-season performer on the Front Range. Bloom timing shifts a week or two with elevation and spring weather.
