Santa Cruz Island Suncup
Camissoniopsis hirtella
- Native to:
- Mexico, United States
iNaturalist: © grnleaf (iNaturalist #117818570)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Onagraceae
- Genus:
- Camissoniopsis
- Species:
- Camissoniopsis hirtella
- USDA Symbol:
- CAHI13
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- mar,apr,may,jun
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, native pollinators
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid and semi-arid regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Light-dependent germination. Seeds require surface sowing or very shallow covering and consistent moisture.
The above propagation data sourced from Claude AI
Pre-treatment: Seeds are treated with dry heat at 150 C (302 F) for 5 minutes for increased germination.
Source: npn.rngr.net