San Luis Obispo Mariposa Lily
Calochortus simulans
- Native to:
- United States
marlin harms (www.flickr.com)





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Liliaceae
- Genus:
- Calochortus
- Species:
- Calochortus simulans
- USDA Symbol:
- CASI7
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Geophyte
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- pink, lavender, purple
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:
- Geophyte that survives fire by persisting underground as bulbs. May show increased flowering after fire due to reduced competition.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Native to dry, open hillsides and grasslands
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds benefit from cold stratification. Bulbs may take several years to reach flowering size from seed.
The above propagation data sourced from Claude AI