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Mt. Diablo Fairy Lantern
Calochortus pulchellus
About Mt. Diablo Fairy Lantern (Calochortus pulchellus) 1 Nurseries Carry This Plant Calochortus pulchellus is a rare species of flowering plant in the lily family known by the common name Mt. Diablo fairy-lantern. It is endemic to California, where it is mainly restricted to Mount Diablo in Contra Costa County. There are historical occurrences in surrounding counties. It grows in chaparral and woodland of the bayside slopes. This is a perennial herb growing a branching stem up to about 30 centimeters tall. The basal leaf is up to 40 centimeters long and does not wither at flowering; there are 2 or 3 smaller leaves farther up the stem. The flower cluster is a solitary flower or a cluster of several flowers, which are nodding and usually spherical with all their petal tips touching. The three sepals and three petals are 2 or 3 centimeters long and pale to deep yellow. The petals are thinly hairy inside and often fringed with yellow hairs. The fruit is a winged capsule 2 or 3 centimeters in length. To learn more, visit the Jepson Herbarium's YouTube channel and watch a short video about this species:
Plant Description
Plant Type
Plant Type
Perennial herb

1 ft tall

Flower Color
Flower Color

Wildlife Supported

Butterflies & moths hosted ( 1 likely * ) SHOW ALL

Landscaping Information
Full Sun, Part Shade

Summer Irrigation
Summer Irrigation
Never irrigate once established


For propagating by seed: No treatment.

Natural Setting
Site Type
Site Type
Wooded slopes

Annual Precipitation: 16.2" - 69.5", Summer Precipitation: 0.22" - 1.29", Coldest Month: 42.8" - 50.3", Hottest Month: 65.1" - 73.4", Humidity: 1.52" - 21.24", Elevation: 141" - 3705"

Alternative Names
Common Names: Mount Diablo Globelily, Mt. Diablo Fairy-lantern

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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