Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Liliaceae

Genus:

Calochortus

Species:

Calochortus clavatus

USDA Symbol:

CACL

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Geophyte

Height:

90 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

apr,may,jun

Bloom Colors:

yellow, gold

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Garden & Ecology Notes

Wildlife Value:

bees, native pollinators

Deer Resistant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Bulbs survive fire and plants often show vigorous flowering in post-fire years. Adapted to periodic fire in chaparral and foothill woodland ecosystems.

Soil Requirements

Soil Type:

well-drained, rocky or sandy soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to dry slopes and chaparral

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–60 days

Notes:

Seeds germinate best with cool temperatures and moisture. Plants go dormant in summer after flowering and require a dry dormant period.

The above propagation data sourced from Claude AI