Limp Mannagrass
Glyceria laxa
- Native to:
- Canada, United States
iNaturalist: © wernerehl (iNaturalist #233062575)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Glyceria
- Species:
- Glyceria laxa
- USDA Symbol:
- GLLA
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- green
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Comma Leucania (Leucania commoides), Doubtful Apamea (Apamea dubitans), glassy cutworm (Apamea devastator), Leucania lapidaria, Pink-spotted Dart Moth (Pseudohermonassa bicarnea)
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, songbirds
Soil Requirements
- Soil Type:
- wet, nutrient-rich, organic soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in marshes and wet meadows
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate readily in wet conditions with cool temperatures.
The above propagation data sourced from Claude AI