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Astragalus trichopodus var. lonchus
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Santa Barbara Milk Vetch
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Astragalus trichopodus var. lonchus

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About Santa Barbara Milk Vetch (Astragalus trichopodus var. lonchus) Santa Barbara Milk Vetch (Astragalus trichopodus var. lonchus) is a native perennial herb that grows in Northern, Southern and Central California, primarily in the South Coast, the Channel Islands and Peninsular Range regions. It tends to grow in grassy places, at elevations from 0-1000 feet.
Plant Description
Plant Type
Perennial herb

Max. Height
0.7 - 3.3 ft (0.21 - 1 m)

Flower Color

Flowering Season
Spring, Winter

Native Status

Natural Setting
Site Type
open, grassy places, bluffs, rocky places


Elevation ?
-17' - 3891'

Annual Precip. ?
9.4" - 28.8"

Summer Precip. ?
0.14" - 1.30"

Coldest Month ?
39.6° F - 57.2° F

Hottest Month ?
61.2° F - 80.3° F

Humidity ?
0.72 vpd - 26.96 vpd

Landscaping Information
Water Requirement ?
Very Low
Extremely Low
Very Low
Moderate - High

Propagation ?
For propagating by seed: No treatment.

Nursery Availability
Sometimes 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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