San Bernardino Bluegrass 🛑 Endangered
Poa atropurpurea
- Native to:
- United States
Chelsea Vollmer





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Poa
- Species:
- Poa atropurpurea
- USDA Symbol:
- POAT
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to montane regions with high organic content
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from cold moist stratification for 30-60 days to break dormancy.