Widgeongrass
Ruppia maritima L.
Ditch-grass family
Plant Type
Forb/herb
Life Cycle
Perennial
Mature Height
2 inches
Spread
4.0 feet
Flower Color
Green
Bloom Time
Mid Spring
Growing Conditions
Light
Shade Tolerance
Intolerant
Water
Water Use
High
Drought Tolerance
None
Flood Tolerance
High
Soil
Soil Types
Clay, Loam
CaCO3 Tolerance
Medium
Fertility Need
Low
Stress Tolerance
Fire Tolerance
High
Salt Tolerance
Medium
Climate
pH Range
5.4 – 8.5
Native Range
- USA: Alabama, Alaska, California, Connecticut, Delaware, Florida, Georgia, Hawaii, Louisiana, Maine, Maryland, Massachusetts, Mississippi, New Hampshire, New Jersey, New York, North Carolina, Oregon, Rhode I., South Carolina, Texas, Virginia, Washington
- CAN: British Columbia, New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward I., Québec, Saskatchewan
- MEX: Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest
- USA+: Puerto Rico
Regional Native Status: L48 (N), AK (N), HI (N), PR (N), VI (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.
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