American Eelgrass

Vallisneria americana

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Hydrocharitaceae
Genus:
Vallisneria
Species:
Vallisneria americana

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
3-4 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun, jul, aug
Bloom Colors:
white

Native Range

United States: Alabama, Arizona, California, Connecticut, District of Columbia, Delaware, Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, Vermont, Washington, Wisconsin, West Virginia, Canada: British Columbia, Manitoba, New Brunswick, Nova Scotia, Ontario, Quebec

Host Plant for Caterpillars

Parapoynx obscuralis

Soil Requirements

Soil Type:
nutrient-rich, silty or sandy substrate
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist to submerged
Notes:
commonly found in freshwater habitats like rivers and lakes

Germination Information

Pre-treatment: None required

Establishment: Seeds are collected from green pods in early fall. Vegetative propagation also possible by breaking small plantlets/rosettes off the end of stock plant stolons at any time of the year.

Source: npn.rngr.net