Cutleaf Watermilfoil
Myriophyllum pinnatum
- Native to:
- Canada, Cuba, Mexico, United States
Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 616. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc.
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Haloragaceae
- Genus:
- Myriophyllum
- Species:
- Myriophyllum pinnatum
- USDA Symbol:
- MYPI
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:
- yellow, green
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, fish, aquatic invertebrates
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, organic, waterlogged soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in shallow freshwater habitats
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate readily in saturated or submerged conditions. Light may enhance germination.