Sulphur Indian Paintbrush

Castilleja septentrionalis

Native to:
Canada, Labrador, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Orobanchaceae
Genus:
Castilleja
Species:
Castilleja septentrionalis
USDA Symbol:
CASU12

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
50 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug
Bloom Colors:
yellow, white, pale yellow

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Host Plant for Caterpillars

Eupithecia anticaria

Garden & Ecology Notes

Wildlife Value:
hummingbirds, bees, butterflies
Deer Resistant:
Yes

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–60 days
Notes:
Hemiparasitic; requires host plant roots for successful establishment. Surface sow as seeds need light for germination.