Shortspike Watermilfoil

Myriophyllum sibiricum

Taxonomy

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

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Aquatic
Height:
Less than 6 in
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may, jun, aug
Bloom Colors:
Pink

Native Range

United States: Alaska, Arizona, California, Colorado, Connecticut, Delaware, Iowa, Idaho, Illinois, Indiana, Kansas, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Montana, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oregon, Pennsylvania, Rhode Island, South Dakota, Utah, Virginia, Vermont, Washington, Wisconsin, West Virginia, Wyoming, Canada: Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Northwest Territories, Nunavut, Ontario, Prince Edward Island, Quebec, Saskatchewan, Yukon

Host Plant for Caterpillars

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

Soil Requirements

Soil Type:
nutrient-rich, silty or clayey soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in freshwater habitats like ponds and slow-moving streams