Slender Hawksbeard

Crepis atribarba

Native to:
Canada, United States

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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