Waxy Mannagrass
Glyceria declinata
- Native to:
- Austria, Azores, Baltic States, Belarus, Belgium, Canary Is., Corse, Czechia-Slovakia, Denmark, France, Germany, Hungary, Ireland, Italy, Madeira, Morocco, Netherlands, Norway, Poland, Portugal, Romania, Spain, Sweden, Switzerland, Ukraine
Krzysztof Ziarnek, Kenraiz
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Glyceria
- Species:
- Glyceria declinata
- USDA Symbol:
- GLDE
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- green
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, songbirds
Soil Requirements
- Soil Type:
- moist, nutrient-rich, clay or loam
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wet meadows and marshes
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
- Notes:
- Seeds germinate best with constant moisture and cool temperatures. Light may improve germination rates.
The above propagation data sourced from Claude AI