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Castilleja pruinosa
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Frosted Indian Paintbrush
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Castilleja pruinosa

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About Frosted Indian Paintbrush (Castilleja pruinosa) Castilleja pruinosa is a species of Indian paintbrush known by the common name frosted Indian paintbrush. It is native to California and Oregon, where it grows in several types of forested habitat. Castilleja pruinosa is a perennial herb, sometimes becoming bushy, growing up to about 80 centimeters in maximum height. It is densely hairy, becoming gray-green in color. The leaves are lance-shaped and sometimes lobed, measuring up to 8 centimeters long. The inflorescence is a cluster of bright red or orange-red bracts. Flowers emerge between the bracts, each up to 2 or 3 centimeters long and greenish in color with reddish margins. San Gabriel Mountains. The rare species Castilleja gleasonii, which is endemic to the San Gabriel Mountains of California, is sometimes included in C. pruinosa.
Plant Description
Plant Type
Perennial herb, Annual herb

Max. Height
2.6 ft (0.8 m)

Flower Color
Red, Orange

Native Status

Natural Setting
Elevation ?
2' - 8564'

Annual Precip. ?
11.1" - 158.4"

Summer Precip. ?
0.40" - 6.33"

Coldest Month ?
26.1° F - 51.9° F

Hottest Month ?
44.7° F - 75.7° F

Humidity ?
0.35 vpd - 25.59 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

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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