Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orobanchaceae

Genus:

Castilleja

Species:

Castilleja arctica subsp. arctica

Growth Characteristics

Height:

15 cm

Drought Tolerance:

Low

Bloom Months:

jun,jul,aug

Bloom Colors:

greenish-yellow, cream

Garden & Ecology Notes

Wildlife Value:

pollinators

Deer Resistant:

Yes

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

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds require light for germination. Cold-moist stratification improves germination rates for arctic ecotypes.

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