Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orobanchaceae

Genus:

Castilleja

Species:

Castilleja pilosa

USDA Symbol:

CAPI3

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Parasite

Height:

40 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

may,jun,jul,aug

Bloom Colors:

yellow, pink, purple

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Caterpillars:

★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Reported Fauna Sightings

Garden & Ecology Notes

Wildlife Value:

hummingbirds, bees, butterflies

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from perennial rootstock following fire; associated with fire-maintained sagebrush-steppe communities.

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

Prefers open, sunny locations in native habitats

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

Germination Time:

14–60 days

Notes:

Hemiparasitic; requires host plant roots for successful establishment. Seeds need light for germination.

The above propagation data sourced from Claude AI