Limestone Blue-Eyed Grass
Sisyrinchium calciphilum
- Native to:
- United States
iNaturalist: © robertlangellier (iNaturalist #222561758)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Iridaceae
- Genus:
- Sisyrinchium
- Species:
- Sisyrinchium calciphilum
- USDA Symbol:
- SICA22
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- blue, violet
Soil Requirements
- Soil Type:
- calcareous, well-drained rocky soil
- pH:
- 7.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers limestone-rich areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from cold moist stratification for 60-90 days; sow in fall or early spring.