Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Lupinus chamissonis is a species in the Fabaceae (Legume) famly known by a number of common names. It is endemic to California, where it is known from most of the length of the coastline and scattered inland locations. It grows in sand dunes and other immediate coastal habitat. This is a spreading, bushy shrub growing one half to two meters tall. Each palmate leaf is made up of 5 to 9 leaflets up to 2.5 centimeters long. The herbage is coated in silvery hairs. The flower cluster bears whorls of flowers each about one to 1.5 centimeters long. Each flower is light purple to blue with a yellow spot on its banner. The fruit is a hairy legume pod 2.5 to 3.5 centimeters long.

Plant type

Shrub

Size

5 - 7 ft Tall
3 ft Wide

Growth rate

Fast

Dormancy

Evergreen

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Color

Blue, Lavender, Purple

Flowering season

Spring

Special uses

Deer resistant

Sun

Full Sun

Water

Low

Summer irrigation

Max 2x / month once established

Cold tolerance

Tolerates cold to 25° F

Soil drainage

Fast

Soil description

Prefers beach sand. Tolerates saline soil..
Soil PH: 5.0 - 7.0

Propagation

For propagating by seed: Fresh seeds need no treatment. Stored seeds scarification or hot water.

Sunset Zones

5, 14, 15*, 16*, 17*, 22*, 23*, 24*

Site type

Sand dunes, coastal strand, and other sandy mild-climate areas

Plant communities

Coastal Strand

Bats
Birds
Bees
Caterpillars
Butterflies

Butterflies and moths supported

7 confirmed and 41 likely

Confirmed Likely

Oso Flaco Flightless Moth

Areniscythris brachypteris

Orange Tortrix Moth

Argyrotaenia franciscana

Chionodes braunella

Chionodes lophosella