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Bransford, W.D. and Dolphia
Psorothamnus fremontii var. fremontii
Psorothamnus fremontii (Torr. ex A. Gray) Barneby var. fremontii
Fremont's Dalea, Fremont Indigo Bush
Fabaceae (Pea Family)
Synonym(s): Dalea fremontii, Dalea fremontii var. johnsonii
USDA Symbol: PSFRF
USDA Native Status: L48 (N)
Fremont indigo bush is an intricately branched, 2-6 ft. shrub with pinnate leaves, whitish stems, and dark purple-blue, pea-like flowers.
Plant Characteristics
Duration: PerennialHabit: Shrub
Leaf Retention: Deciduous
Leaf Arrangement: Alternate
Fruit Type: Legume
Size Notes: Up to about 6 feet tall.
Bloom Information
Bloom Color: Blue , PurpleBloom Time: Apr , May , Jun
Distribution
USA: AZ , CA , NV , UTNative Distribution: Inyo Co., CA to n.w. AZ & s. UT
Native Habitat: Desert shrub communities; 2500-4500 ft.
Growing Conditions
Light Requirement: SunSoil Moisture: Dry
Soil Description: Dry, well-drained soils.
Value to Beneficial Insects
Special Value to Native BeesSpecial Value to Bumble Bees
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
Propagation
Seed Collection: Collect the pods when they are beginning to dry. Separate seeds from pods before sowing or storage. Fumigate seeds before storage.Seed Treatment: Seeds require no pretreatment for germination.
Commercially Avail: yes
Additional resources
USDA: Find Psorothamnus fremontii var. fremontii in USDA PlantsFNA: Find Psorothamnus fremontii var. fremontii in the Flora of North America (if available)
Google: Search Google for Psorothamnus fremontii var. fremontii
Metadata
Record Modified: 2022-10-20Research By: TWC Staff