Longleaf Pondweed
Potamogeton nodosus
Also known as: Tropical Pondweed
- Native to:
- Afghanistan, Albania, Algeria, Andaman Is., Angola, Australia, Austria, Azores, Bahamas, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Botswana, Brazil, Bulgaria, Cambodia, Canada, Canary Is., Caprivi Strip, Chad, China, Comoros, Corse, Cuba, Cyprus, Czechia-Slovakia, Dominican Republic, East Aegean Is., Egypt, Ethiopia, France, Germany, Greece, Guatemala, Gulf of Guinea Is., Gulf States, Haiti, Hawaii, Hungary, India, Iran, Iraq, Italy, Jamaica, Jawa, Kazakhstan, Kriti, Krym, Lebanon-Syria, Leeward Is., Lesotho, Lesser Sunda Is., Libya, Madagascar, Madeira, Marianas, Marion-Prince Edward Is., Mauritania, Mauritius, Mexican Pacific Is., Mexico, Morocco, Myanmar, Namibia, Nepal, Netherlands, New Caledonia, New Guinea, Niger, North Caucasus, NW. Balkan Pen., Oman, Pakistan, Palestine, Panamá, Philippines, Poland, Portugal, Puerto Rico, Réunion, Romania, Russia, Sardegna, Saudi Arabia, Senegal, Seychelles, Sicilia, Sinai, Socotra, South Africa, Spain, Sri Lanka, Sudan-South Sudan, Sulawesi, Sumatera,
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Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Potamogetonaceae
- Genus:
- Potamogeton
- Species:
- Potamogeton nodosus
- USDA Symbol:
- PONO2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Aquatic
- Height:
- 200 cm
- Light Requirements:
- Full Sun,Part Shade
- 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:
- rich, silty, nutrient-rich sediment
- pH:
- 6.0 - 8.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in slow-moving or still waters
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds germinate best when submerged in water; cold stratification improves germination rates.
The above propagation data sourced from Claude AI
Pre-treatment: Seeds were cold stratified for 150 days
Source: npn.rngr.net