Largeleaf Pondweed
Potamogeton amplifolius
Also known as: Pondweed
- Native to:
- Canada, Mexico, United States
Edward G. Voss. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. Courtesy of USDA NRCS Wetland Science Institute.
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Potamogetonaceae
- Genus:
- Potamogeton
- Species:
- Potamogeton amplifolius
- USDA Symbol:
- POAM5
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Aquatic
- Height:
- 200 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- green
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, fish, aquatic invertebrates
- Deer Resistant:
- Yes
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
- Notes:
- commonly found in lakes and slow-moving streams
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require cold stratification and germinate best when submerged in shallow water with sediment contact.
The above propagation data sourced from Claude AI