Spearbract Blue-Eyed Grass
Sisyrinchium sagittiferum
- Native to:
- United States
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Iridaceae
- Genus:
- Sisyrinchium
- Species:
- Sisyrinchium sagittiferum
- USDA Symbol:
- SISA3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- blue, violet
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rhizomes following fire; benefits from periodic burning in prairie and savanna habitats.
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require light for germination. Surface sow and keep moist.
The above propagation data sourced from Claude AI