Eurasian Watermilfoil

Myriophyllum spicatum

Eurasian Watermilfoil

Taxonomy

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

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Aquatic
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun, aug

Native Range

United States: Alaska, Alabama, Arkansas, Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, Iowa, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, West Virginia, Canada: British Columbia, New Brunswick, Ontario, Quebec

Host Plant for Caterpillars

chocolate china-mark moth (Parapoynx badiusalis), watermilfoil leafcutter moth (Parapoynx allionealis)

Soil Requirements

Soil Type:
rich, organic, waterlogged soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in freshwater lakes and ponds

Germination Information

Pre-treatment: Seeds were cold stratified for 120 days

Source: npn.rngr.net