Stiff Yellow Indian Paintbrush

Castilleja lutescens

Stiff Yellow Indian Paintbrush

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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