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San Gabriel Beardtongue
Penstemon labrosus
About San Gabriel Beardtongue (Penstemon labrosus) 2 Nurseries Carry This Plant Penstemon labrosus is a species of penstemon known by the common name San Gabriel beardtongue. It is native to the Transverse Ranges of southern California, including the San Gabriel Mountains, and the Peninsular Ranges to the south, its distribution extending into Mexico. It grows in forest and woodland habitat. It is a perennial herb growing erect to about 70 centimeters tall. The long, paired leaves are linear in shape with rolled, untoothed edges, and reach over 8 centimeters in maximum length. The flower cluster produces bright red to orange or yellowish flowers 3 to 4 centimeters long. The upper lip is hood-shaped and the lower is divided into 3 narrow lobes which are sometimes reflexed. The flower is hairless, including the staminode.
Plant Description
Plant Type
Plant Type
Perennial herb

1 - 2.3 ft tall

Flower Color
Flower Color
Red, Yellow, Orange

Flowering Season
Flowering Season

Wildlife Supported

Landscaping Information
Full Sun, Part Shade


Common uses
Common uses
Deer Resistant, Hummingbird Gardens, Butterfly Gardens, Bee Gardens

For propagating by seed: 1-2 mos. stratification.

Sunset Zones
Sunset Zones?
1, 2, 3, 4, 5, 6, 7*, 14, 15*, 16*, 17*, 18*, 19*, 20*, 21*, 22, 23

Natural Setting
Annual Precipitation: 11.8" - 51.2", Summer Precipitation: 0.39" - 3.55", Coldest Month: 25.8" - 49.6", Hottest Month: 52.9" - 73.1", Humidity: 1.52" - 22.91", Elevation: 3009" - 10757"

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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