Water Mannagrass

Glyceria fluitans

Native to:
Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Corse, Czechia-Slovakia, Denmark, East Aegean Is., Finland, Føroyar, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Morocco, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Portugal, Romania, Russia, Sardegna, Sicilia, Spain, Sweden, Switzerland, Transcaucasus, Türkiye, Türkiye-in-Europe, Turkmenistan, Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Glyceria
Species:
Glyceria fluitans
USDA Symbol:
GLFL2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
100 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
Low
Bloom Months:
may,jun,jul,aug
Bloom Colors:
green

Garden & Ecology Notes

Wildlife Value:
waterfowl, songbirds, small mammals

Soil Requirements

Soil Type:
rich, moisture-retentive loamy soil
pH:
5.5 - 7.5 (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; light may enhance germination.

The above propagation data sourced from Claude AI