Sierra Tansymustard

Descurainia californica

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Descurainia
Species:
Descurainia californica
USDA Symbol:
DECA6

Growth Characteristics

Life Cycle:
Annual | Biennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
mar,apr,may,jun
Bloom Colors:
yellow

Wildlife Benefits

Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Large Marble (Euchloe ausonides)

Garden & Ecology Notes

Wildlife Value:
birds
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Colonizes disturbed and burned areas; seeds may benefit from fire-cleared soil.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
common in arid, open areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
7–21 days
Notes:
Seeds germinate readily in cool conditions. Light may enhance germination.

The above propagation data sourced from Claude AI