Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orobanchaceae

Genus:

Castilleja

Species:

Castilleja chlorotica

USDA Symbol:

CACH15

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Parasite

Height:

40 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

apr,may,jun

Bloom Colors:

greenish-yellow

Garden & Ecology Notes

Wildlife Value:

hummingbirds

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 — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds benefit from cold moist stratification; germination occurs in spring. Requires a host plant (often a grass or forb) for hemiparasitic establishment.