California Mustard

Streptanthus lasiophyllus

Native to:
Mexican Pacific Is., Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Streptanthus
Species:
Streptanthus lasiophyllus
USDA Symbol:
GULA4

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
80 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
mar,apr,may,jun
Bloom Colors:
white, purple

Wildlife Benefits

Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Checkered White (Pontia protodice), Desert orangetip (Anthocharis cethura), Large Marble (Euchloe ausonides), Sara Orangetip (Anthocharis sara), Western white (Pontia occidentalis)

Garden & Ecology Notes

Wildlife Value:
butterflies
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Annual that may colonize disturbed areas after fire; adapted to California's fire-prone chaparral and grassland habitats.

Soil Requirements

Soil Type:
rocky, well-drained sandy loam
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to rocky slopes and ridges

Propagation & Germination

Pre-treatment: None required

Establishment: G. lasiophylla is found on slopes and burns, washes, grasslands and meadows, below 5,000 feet elevation, from Washington to Lower California west of the deserts and the Channel Islands.

Source: npn.rngr.net