Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orobanchaceae

Genus:

Castilleja

Species:

Castilleja chlorotica

USDA Symbol:

CACH15

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Parasite

Height:

60 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug,sep

Bloom Colors:

yellow, green

Wildlife Benefits

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

hummingbirds, butterflies

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from root crown following fire; often increases in abundance in post-fire environments in sagebrush and pinyon-juniper communities.

Soil Requirements

Soil Type:

rocky, well-drained, nutrient-poor soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

adapted to alpine and subalpine environments

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 benefit from cold stratification and may germinate erratically.