Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orobanchaceae

Genus:

Castilleja

Species:

Castilleja angustifolia var. dubia

Growth Characteristics

Growth Habit:

Parasite

Height:

40 cm

Drought Tolerance:

Medium

Bloom Months:

apr,may,jun,jul

Bloom Colors:

yellow, cream, greenish-yellow

Garden & Ecology Notes

Wildlife Value:

hummingbirds, native bees, butterflies

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Tolerates periodic fire in sagebrush and grassland ecosystems; resprouts from rootstock after burns.

Source: Claude claude-sonnet-4-5-20250929 Batch

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–45 days

Notes:

Hemiparasitic; benefits from host plant roots (native grasses) for establishment and vigor. Seeds often show variable germination.

Source: Claude claude-sonnet-4-5-20250929 Batch