Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

Home to the plants of the Sonoran, Chihuahuan and Mojave Deserts

Cirsium ochrocentrum, Yellowspine Thistle

Phacelia fremontii, Fremont's Phacelia

Fremont's Phacelia has beautiful showy multi-colored flowers ranging from blue, pink, lavender or pale white with a bright or pale yellow throat. Blooms from March to June. Phacelia fremontii Fremont's Phacelia has a bell-shaped or campanulate to broadly funnelform. Plants are aromatic. Phacelia fremontii Fremont's Phacelia grows as a small herb with ascending aromatic stems. Plants grow in elevations ranging from 2,000 to 5,000 feet. Preferred habitats are plains, mesas, arid flats, shrub land and grasslands; gravelly soils along washes. Phacelia fremontii Fremont's Phacelia has green leaves of variable shape ranging from oblong to oblanceolate, deeply lobed to compound with mostly rounded segments. Leaves puberulous. Phacelia fremontii

Scientific Name: Phacelia fremontii
Common Name: Fremont's Phacelia
Also Called:
Family: Hydrophyllaceae (Boraginaceae, Hydrophylloideae), the Waterleaf Family
Synonyms: ()
Status: Native
Duration: Annual
Size: Up to 12 inches or less.
Growth Form: Forb/herb; ascending with few to several stems; stems puberulous; aromatic.
Leaves: Green; oblong to oblanceolate; deeply lobed to compound; segments mostly rounded; puberulous.
Flower Color: Blue, pink, lavender or pale white with yellow throat; corolla campanulate or broadly funnelform; inflorescence exceeding leaves; fruit is a capsule, pubescence near base.
Flowering Season: March to June.
Elevation: 2,000 to 5,000 feet.

Habitat Preferences: Plains, mesas, arid flats, shrub land and grasslands; gravelly soils along washes.

Recorded Range: Fremont's Phacelia is found in the southwestern United States; AZ, CA, NV, UT. It is also found in Baja California.

North America & US County Distribution Map for Phacelia fremontii.

U.S. Weed Information: No information available.
Invasive/Noxious Weed Information: No information available.
Wetland Indicator: No information available.
Threatened/Endangered Information: No information available.

Genus Information: In North America there more than 166 species for Phacelia. Worldwide, The Plant List includes 186 accepted species names and a further 184 scientific names of infraspecific rank for the genus.

In the Southwestern United States: Arizona has 49 species of genus, California has 96 species, Nevada has 54 species, New Mexico has 23 species, Texas has 13 species, Utah has 42 species. All data is approximate and subject to taxonomic changes.

The genus Phacelia collectively are commonly referred to as; Phacelia, Scorpionweed and Heliotrope.

Comments: Fremont's Phacelia is one the showiest Phacelia with its variable multicolor corolla.

Special Value to Native Bees; Species of the genus Phacelia are known to, or thought to attract large numbers of native bees including Yellow Faced Bees, Miner Bees and Mason Bees. This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

In Southwest Desert Flora also see; Desert Bluebells, Phacelia campanularia, Cleftleaf Wildheliotrope, Phacelia crenulata, Distant Phacelia, Phacelia distans, Varileaf-Phacelia, Phacelia heterophylla, Kaweah River Scorpion-weed, Phacelia magellanica and Lacy Phacelia, Phacelia tanacetifolia.

Date Profile Completed: 07/24/2017, updated format 10/12/2017
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and Los Angeles, California.
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database and USGS ITIS search - (accessed 07/22/2017)
The Plant List (2013). Version 1.1. Published on the Internet; (accessed 07/22/2017).
Genevieve K. Walden, Robert Patterson, Laura M. Garrison & Debra R. Hansen 2017. Phacelia fremontii, in Jepson Flora Project (eds.) Jepson eFlora, Revision 1,, accessed on July 22, 2017.
Native Plant Information Network, NPIN (2013). Published on the Internet [accessed: 07/23/2017]. Lady Bird Johnson Wildflower Center at The University of Texas, Austin, TX.
The Jepson Desert Manual; 2002; Baldwin, Bruce G., et. al.; The Jepson Desert Manual: Vascular Plants of Southeastern California; pages 346, 349; Univ. of California Press, Berkeley and Los Angeles, California
SEINet synonyms, scientific names, geographic locations, general information - (accessed 07/23/2017).