Rattlesnake Mannagrass

Glyceria canadensis (Michx.) Trin.

Grass family

Plant Type

Graminoid

Life Cycle

Perennial

Mature Height

3.2 feet

Spread

3.0 feet

Flower Color

Green

Bloom Time

Indeterminate

Growing Conditions

Light

Shade Tolerance Intolerant

Water

Water Use Medium

Drought Tolerance Low

Flood Tolerance Medium

Soil

Soil Types Clay, Loam, Sand

CaCO3 Tolerance Medium

Fertility Need Medium

Stress Tolerance

Fire Tolerance Low

Salt Tolerance None

Climate

pH Range 5.0 – 8.5

Frost-Free Days 100 days

Precipitation 20 – 50 in

Ecosystem & Wildlife

Pollinators Larval Host (Moth); Wind

Larval Host Apamea devastator, Leucania commoides, Leucania lapidaria, Pseudohermonassa bicarnea

Fall Color No

Evergreen No

Native Range

CAN: British Columbia, Newfoundland, Manitoba, New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward I., Québec, Saskatchewan
USA: Connecticut, Delaware, District of Columbia, Illinois, Indiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oregon, Pennsylvania, Rhode I., Tennessee, Vermont, Virginia, Washington, West Virginia, Wisconsin

Regional Native Status: L48 (N), CAN (N), SPM (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.