Scarlet Indian Paintbrush
Castilleja coccinea
- Native to:
- Canada, United States
iNaturalist: © masebrock (iNaturalist #95824424)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Orobanchaceae
- Genus:
- Castilleja
- Species:
- Castilleja coccinea
- USDA Symbol:
- CACO17
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Parasite
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- apr,may,jun,jul
- Bloom Colors:
- red, orange, yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- hummingbirds, butterflies, bees
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Responds positively to fire in prairie ecosystems; fire removes competing vegetation and promotes flowering.
Soil Requirements
- Soil Type:
- moist, well-drained, rich loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- prefers open, sunny areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–60 days
- Notes:
- Hemiparasitic; requires host plant roots (grasses or forbs) for successful establishment. Seeds need light for germination.
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: Claude AI
ORGHPS Germination Guide: Sow @ 4C for 3 months, then place @ 20C for 3 months.