Mannagrass

Glyceria × gatineauensis

Native to:
Canada, United States
Mannagrass

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Glyceria
Species:
Glyceria × gatineauensis
USDA Symbol:
GLGA

Growth Characteristics

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

Garden & Ecology Notes

Wildlife Value:
waterfowl, birds

Soil Requirements

Soil Type:
moist, nutrient-rich, loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in wetland areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days

The above propagation data sourced from Claude AI