Weak Bluegrass
Poa infirma
- Native to:
- Algeria, Austria, Baleares, Bulgaria, Canary Is., China, Corse, Cyprus, East Aegean Is., Egypt, France, Greece, India, Iran, Iraq, Ireland, Italy, Kriti, Kuwait, Lebanon-Syria, Libya, Morocco, Pakistan, Palestine, Portugal, Sardegna, Spain, Tadzhikistan, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe
R. Soreng and P. M. Peterson
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Poa
- Species:
- Poa infirma
- USDA Symbol:
- POIN30
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Graminoid
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- mar,apr,may,jun
- Bloom Colors:
- green
Garden & Ecology Notes
- Wildlife Value:
- birds
- Salt Tolerant:
- Yes
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to coastal and disturbed areas
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
- Notes:
- Cool-season annual grass; germinates readily in cool, moist conditions without pretreatment.
The above propagation data sourced from Claude AI