Slender Hawksbeard

Crepis atribarba

Slender Hawksbeard

Matt Lavin

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Crepis
Species:
Crepis atribarba

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
2-3 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may, jun, jul
Bloom Colors:
Yellow

Native Range

United States: Colorado, Idaho, Montana, Nebraska, Nevada, Oregon, Utah, Washington, Wyoming, Canada: Alberta, British Columbia, Saskatchewan

Reported Fauna Sightings

Bees: Central bumble bee (Bombus centralis), Central bumble bee (Bombus centralis), Hunt's bumble bee (Bombus huntii), Hunt's bumble bee (Bombus huntii), Indiscriminate cuckoo bumble bee (Bombus insularis), Indiscriminate cuckoo bumble bee (Bombus insularis), Two-form bumble bee (Bombus bifarius), Two-form bumble bee (Bombus bifarius), White-shouldered bumble bee (Bombus appositus), White-shouldered bumble bee (Bombus appositus), Yellow bumble bee (Bombus fervidus), Yellow bumble bee (Bombus fervidus), Yellow head bumble bee (Bombus flavifrons), Yellow head bumble bee (Bombus flavifrons)

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