Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Orobanchaceae

Genus:

Castilleja

Species:

Castilleja attenuata

USDA Symbol:

CAAT25

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Parasite

Height:

50 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

mar,apr,may

Bloom Colors:

yellow, white, pink

Wildlife Benefits

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

hummingbirds, butterflies

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

Commonly found in open grasslands and hillsides

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds benefit from cold stratification; surface sow on moist soil.