Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orobanchaceae

Genus:

Castilleja

Species:

Castilleja aspera

Growth Characteristics

Growth Habit:

Subshrub

Height:

60 cm

Drought Tolerance:

Low

Bloom Months:

mar,apr,may,jun

Bloom Colors:

red, orange, yellow

Garden & Ecology Notes

Wildlife Value:

hummingbirds, butterflies, bees

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Responds positively to fire with vigorous regrowth. Common in coastal prairie systems with periodic fire.

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 species; germination improved with host plant roots present. Variable germination rates common.

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