Northwestern Mannagrass

Glyceria occidentalis

Northwestern Mannagrass

Gordon Leppig & Andrea J. Pickart

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Glyceria
Species:
Glyceria occidentalis

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
4-6 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun, jul, aug
Bloom Colors:
Green, Brown

Native Range

United States: California, Idaho, Nevada, Oregon, Washington, Canada: British Columbia

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:
Common in wetlands and riparian zones