Slender Hawksbeard
Crepis atribarba
- Native to:
- Canada, United States
iNaturalist: © jenny_feick (iNaturalist #121790357)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Crepis
- Species:
- Crepis atribarba
- USDA Symbol:
- CRAT
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 70 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- yellow
Reported Fauna Sightings
Bees: Central bumble bee (Bombus centralis), Two-form bumble bee (Bombus bifarius), Yellow bumble bee (Bombus fervidus)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from taproot following fire; tolerates periodic burns in sagebrush-steppe communities.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid and semi-arid regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
The above propagation data sourced from Claude AI