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Calochortus coeruleus  (Kellogg) S. Watson
Blue star tulip,   Beavertail-Grass
© 2023 Timothy Boomer
© 2021 John L. Thompson
© 2023 Timothy Boomer
© 2021 John L. Thompson
© 2006 Steve Matson
© 2021 John L. Thompson
© 2024 Mike Russler
© 2024 Mike Russler
© 2024 Mike Russler
© 2023 Alaine Arslan
© 2024 Mike Russler
© 2024 Steve Woodward
© 2016 Julie Kierstead Nelson
© 2024 Mike Russler
© 2024 Mike Russler
© 2019 Alaine Arslan
© 2021 John L. Thompson
© 2021 Roy West
© 2006 Steve Matson
© 2006 Steve Matson
© 2006 Steve Matson
© 2019 Glenn Fine
© 2024 Mike Russler
Calochortus coeruleus is a perennial herb that is native to California, and endemic (limited) to California.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
DJJJASONAFMM

Bloom Period
Genus: Calochortus
Family: Liliaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest
Name Status:
Accepted by JEF + PLANTS + POWO

Alternate Names:
PLANTSCalochortus caeruleus var. fimbriatus
PLANTSCalochortus caeruleus
JEF + PLANTSCalochortus coeruleus var. fimbriatus
PLANTSCyclobothra caerulea
PLANTSCyclobothra coerulea
Information about  Calochortus coeruleus from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (CACO3)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 03/30/2025).