Shasta River Mariposa Lily

Calochortus monanthus

Native to:
United States
Shasta River Mariposa Lily

GBIF: Kuiper PJC; Kuiper-Lapré CMH

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Liliaceae
Genus:
Calochortus
Species:
Calochortus monanthus
USDA Symbol:
CAMO2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Geophyte
Height:
30 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
yellow

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Garden & Ecology Notes

Wildlife Value:
bees, small mammals
Deer Resistant:
Yes

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 rocky slopes and open woodlands

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–45 days
Notes:
Seeds germinate slowly and irregularly; plants typically take 4-5 years to reach flowering size from seed.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

Source: Claude AI