Vernal Pool Indian Paintbrush

Castilleja campestris

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Orobanchaceae
Genus:
Castilleja
Species:
Castilleja campestris
USDA Symbol:
CACA79

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Parasite
Height:
40 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
mar,apr,may,jun
Bloom Colors:
yellow, orange, red

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:
Resprouts from root crown following fire; benefits from periodic burning in grassland and vernal pool habitats.

Soil Requirements

Soil Type:
well-drained, sandy or rocky soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
often found in open grasslands and meadows

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–60 days
Notes:
Hemiparasitic; requires host plant roots nearby 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