Richardson's Pondweed

Potamogeton richardsonii

Richardson's Pondweed

Robert H. Mohlenbrock

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Potamogetonaceae
Genus:
Potamogeton
Species:
Potamogeton richardsonii

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Aquatic
Height:
3-4 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun, jul, aug, sep, oct
Bloom Colors:
Yellow, Green

Native Range

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

Soil Requirements

Soil Type:
nutrient-rich, silty or sandy substrates
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
tolerates poor drainage
Moisture:
consistently moist to submerged
Notes:
commonly found in freshwater lakes and slow-moving streams

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: OpenAI GPT-4o