Twoleaf Watermilfoil

Myriophyllum heterophyllum

Native to:
Canada, Cuba, Guatemala, Mexico, Prince Edward I., United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Haloragaceae
Genus:
Myriophyllum
Species:
Myriophyllum heterophyllum
USDA Symbol:
MYHE2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Aquatic
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
green, red

Garden & Ecology Notes

Wildlife Value:
waterfowl, fish
Deer Resistant:
Yes

Soil Requirements

Soil Type:
nutrient-rich, silty, submerged soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in slow-moving or still waters

Propagation & Germination

Notes:
Primarily reproduces vegetatively through fragmentation; sexual reproduction via seed is uncommon.

The above propagation data sourced from Claude AI