Common Sandaster

Corethrogyne filaginifolia

Native to:
Mexico, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Corethrogyne
Species:
Corethrogyne filaginifolia
USDA Symbol:
COFI2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
90 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jul,aug,sep,oct,nov
Bloom Colors:
lavender, purple, white

Wildlife Benefits

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

Host Plant for Caterpillars

Gabb's Yellow (Charidryas gabbii)

Reported Fauna Sightings

Bees: Anthophora curta, Anthophora urbana, Bombus sonorus, Yellow-faced bumble (Bombus vosnesenskii) Butterflies:Checkered White (Pontia protodice), Fiery Skipper (Hylephila phyleus), Icaricia acmon, Marine Blue (Leptotes marina), Northern White-Skipper (Heliopetes ericetorum), Orange Sulphur (Colias eurytheme), Small White (Pieris rapae), Woodland Skipper (Ochlodes sylvanoides)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, native pollinators
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from woody base after fire; common in coastal sage scrub and chaparral communities with periodic fire.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Common in coastal scrub and chaparral habitats

Propagation & Germination

Stratification:
None required
Germination Time:
14–30 days
Notes:
Surface sow; seeds require light for germination. Best sown in fall for natural cold treatment.

The above propagation data sourced from Claude AI