Flatstem Pondweed

Potamogeton zosteriformis Fernald

Pondweed family

Plant Type
Forb/herb
Life Cycle
Perennial
Mature Height
4.0 feet
Flower Color
Green
Bloom Time
Late Spring, Early Summer, Mid Summer, Late Summer, Fall

Growing Conditions

Light

Shade Tolerance Intolerant

Water

Water Use High

Soil

CaCO3 Tolerance Low

Native Range

  • USA:  Alaska, California, Connecticut, Idaho, Illinois, Indiana, Iowa, Kansas, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New York, North Dakota, Ohio, Oregon, Pennsylvania, South Dakota, Utah, Vermont, Washington, Wisconsin, Wyoming
  • CAN:  Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland, Northwest Territorie, Nova Scotia, Ontario, Prince Edward I., Québec, Saskatchewan, Yukon

Regional Native Status: L48 (N), AK (N), CAN (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.