Whitestem Pondweed
Potamogeton praelongus
- Native to:
- Albania, Aleutian Is., Austria, Baltic States, Belarus, Belgium, Bulgaria, Canada, China, Czechia-Slovakia, Denmark, Finland, Føroyar, France, Germany, Greenland, Iceland, Ireland, Italy, Japan, Kazakhstan, Kuril Is., Labrador, Mexico, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Prince Edward I., Russia, Spain, Sweden, Switzerland, Transcaucasus, Türkiye, Ukraine, United States
Jason Hollinger (www.flickr.com)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Potamogetonaceae
- Genus:
- Potamogeton
- Species:
- Potamogeton praelongus
- USDA Symbol:
- POPR5
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Aquatic
- Height:
- 300 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- green
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, fish
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- nutrient-rich, silty or clayey substrate
- pH:
- 6.0 - 8.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in lakes and slow-moving rivers
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Notes:
- Propagates primarily vegetatively via rhizomes and turions; seed germination data limited.
The above propagation data sourced from Claude AI