Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orobanchaceae

Genus:

Castilleja

Species:

Castilleja spiranthoides

Growth Characteristics

Height:

40 cm

Drought Tolerance:

Medium

Bloom Months:

apr,may,jun

Bloom Colors:

red, orange, yellow

Garden & Ecology Notes

Wildlife Value:

hummingbirds, native bees, butterflies

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Adapted to prairie fire regimes; resprouts vigorously after burning and benefits from reduced competition.

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

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Hemiparasitic; germination improved by proximity to host plant roots. Seeds require light for germination.

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