Claspingleaf Pondweed

Potamogeton perfoliatus

Native to:
Afghanistan, Albania, Algeria, Australia, Austria, Baltic States, Belarus, Belgium, Bulgaria, Canada, Chad, China, Cuba, Cyprus, Czechia-Slovakia, Denmark, Egypt, Ethiopia, Finland, Føroyar, France, Germany, Greece, Greenland, Guatemala, Hungary, Iceland, India, Iran, Iraq, Ireland, Italy, Japan, Kazakhstan, Kirgizstan, Korea, Krym, Kuril Is., Labrador, Lebanon-Syria, Libya, Madagascar, Mauritania, Morocco, Netherlands, Niger, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Palestine, Poland, Portugal, Prince Edward I., Romania, Russia, Sicilia, Sinai, Spain, Sudan-South Sudan, Sumatera, Sweden, Switzerland, Tadzhikistan, Transcaucasus, Türkiye, Türkiye-in-Europe, Ukraine, United States, Uzbekistan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Potamogetonaceae
Genus:
Potamogeton
Species:
Potamogeton perfoliatus
USDA Symbol:
POPE7

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Aquatic
Height:
300 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
Salt Tolerant:
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 slow-moving or still freshwater bodies

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–60 days
Notes:
Seeds require cold stratification and germinate best in shallow water or saturated substrate with light exposure.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Establishment: Cuttings can be taken from any part of the redhead grass stem with nodes, including main shoots, sideshoots, flowering stems, stem tips, and midsections. The plant is a perennial submerged aquatic, commonly found in fresh to brackish water up to 20 parts per 1000 salinity throughout eastern North America.

Source: npn.rngr.net