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Psorothamnus fremontii var. fremontii (Fremont's dalea)
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 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.


From the Image Gallery

4 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Shrub
Leaf Retention: Deciduous
Leaf Arrangement: Alternate
Fruit Type: Legume
Size Notes: Up to about 6 feet tall.

Bloom Information

Bloom Color: Blue , Purple
Bloom Time: Apr , May , Jun


USA: AZ , CA , NV , UT
Native Distribution: Inyo Co., CA to n.w. AZ & s. UT
Native Habitat: Desert shrub communities; 2500-4500 ft.

Growing Conditions

Light Requirement: Sun
Soil Moisture: Dry
Soil Description: Dry, well-drained soils.

Value to Beneficial Insects

Special Value to Native Bees
Special Value to Bumble Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.


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

Web Reference

Webref 30 - Calflora (2018) Calflora

Additional resources

USDA: Find Psorothamnus fremontii var. fremontii in USDA Plants
FNA: Find Psorothamnus fremontii var. fremontii in the Flora of North America (if available)
Google: Search Google for Psorothamnus fremontii var. fremontii


Record Modified: 2022-10-20
Research By: TWC Staff

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