Stiff Yellow Indian Paintbrush
Castilleja lutescens
Unknown author
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Orobanchaceae
- Genus:
- Castilleja
- Species:
- Castilleja lutescens
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Parasite
- Height:
- 2-3 ft
- Light Requirements:
- Full Sun
- Bloom Months:
- mar, jun
- Bloom Colors:
- Yellow
Native Range
United States: Idaho, Montana, Oregon, Washington, Canada: Alberta, British Columbia
Host Plant for Caterpillars
Amblyptilia pica, Scrobipalpula lutescella, Stenoptilodes maea, verbena bud moth (Endothenia hebesana)
Soil Requirements
- Soil Type:
- well-drained sandy or gravelly soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open, sunny habitats
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: OpenAI GPT-4o