Twoleaf Watermilfoil

Myriophyllum heterophyllum

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Haloragaceae
Genus:
Myriophyllum
Species:
Myriophyllum heterophyllum

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Aquatic
Height:
8-12 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun, aug
Bloom Colors:
Not Applicable

Native Range

United States: Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, Wisconsin, West Virginia, Canada: British Columbia, New Brunswick, Ontario, Quebec

Soil Requirements

Soil Type:
nutrient-rich, silty, submerged soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in slow-moving or still waters