Whorl-Leaf Watermilfoil
Myriophyllum verticillatum
- Native to:
- Afghanistan, Albania, Algeria, Austria, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Canada, China, Czechia-Slovakia, Denmark, Finland, France, Germany, Greece, Hainan, Hungary, India, Iran, Iraq, Ireland, Italy, Japan, Kazakhstan, Kirgizstan, Korea, Krym, Labrador, Morocco, Netherlands, Norway, NW. Balkan Pen., Pakistan, Palestine, Poland, Portugal, Prince Edward I., Romania, Russia, Sardegna, Sicilia, Spain, Sweden, Switzerland, Tadzhikistan, Taiwan, Türkiye, Türkiye-in-Europe, Ukraine, United States, Uzbekistan, Vietnam
Kristian Peters -- Fabelfroh 15:25, 23 October 2006 (UTC)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Haloragaceae
- Genus:
- Myriophyllum
- Species:
- Myriophyllum verticillatum
- USDA Symbol:
- MYVE3
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, aquatic invertebrates
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- nutrient-rich, silty or clayey soil
- pH:
- 6.0 - 8.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in slow-moving or still water bodies.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds germinate best submerged in shallow water. Vegetative propagation via stem fragments is more common and reliable.
The above propagation data sourced from Claude AI