Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orobanchaceae

Genus:

Castilleja

Species:

Castilleja minor var. spiralis

Growth Characteristics

Growth Habit:

Forb/herb

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

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouting herbaceous perennial that benefits from periodic fire in grassland systems. Fire reduces competing vegetation.

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; germination improved when sown with host grasses. Seeds require light for germination.

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