Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Ceanothus jepsonii is a species of shrub in the buckthorn family Rhamnaceae known by the common names musk brush and Jepson ceanothus. It is endemic to California, where it grows in dry, shrubby habitat in the San Francisco Bay Area and the Coast Ranges to the north, often on serpentine soils. This species of shrub is variable, particularly across its two Varieties: Ceanothus jepsonii var. jepsonii is a spreading plant growing up to about half a meter tall. It bears flower clusters of blue or purple flowers and spherical fruits. var. albiflorus is a white-flowered variety approaching a meter in maximum height. Its fruits are more oblong. Both varieties have firm, toothed evergreen leaves oppositely arranged, curved, and with their edges turned under. The flowers tend to have a musky odor.

Plant type

Shrub

Size

2 ft Tall

Dormancy

Evergreen

Calscape icon
Color

Blue, White, Purple

Special uses

Bank stabilization

Sun

Full Sun

Propagation

For propagating by seed: Hot water only gives poor to fair results; hot water and 3 mos. stratification may improve germination.

Sunset Zones

7, 14, 15, 16

Site type

Dry rocky slopes, serpentine soils

Plant communities

Chaparral

Hummingbirds
Bees
Butterflies

Pollinators supported

2 confirmed and 152 likely

  • Likely

  • Confirmed

White-haired Miner Bee

Andrena candidiformis

Green-bellied Miner Bee

Andrena chlorogaster

Adela septentrionella

Texas Striped Sweat Bee

Agapostemon texanus

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Asparagus

Asparagus officinalis

Canola

Brassica napus

Cotton

Gossypium

Mint

Mentha