Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orobanchaceae

Genus:

Castilleja

Species:

Castilleja collegiorum

Growth Characteristics

Growth Habit:

Forb/herb

Height:

30 cm

Drought Tolerance:

Medium

Bloom Months:

may,jun,jul,aug

Bloom Colors:

red, orange, yellow

Garden & Ecology Notes

Wildlife Value:

hummingbirds, bees, butterflies

Deer Resistant:

Yes

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

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–90 days

Notes:

Hemiparasitic species; germination and establishment improved when grown with suitable host grasses. Seeds require light for germination.

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