Saint-Cyr Iris
Iris sancti-cyrii
- Native to:
- Canada
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Iridaceae
- Genus:
- Iris
- Species:
- Iris sancti-cyrii
- USDA Symbol:
- IRSA
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Geophyte
- Height:
- 60 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun
- Bloom Colors:
- blue, violet
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- bees
- 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
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 30–180 days
- Notes:
- Iris seeds can have erratic germination; cold stratification improves rates.
The above propagation data sourced from Claude AI