Slender Watermilfoil
Myriophyllum tenellum
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: 615. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc.
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Haloragaceae
- Genus:
- Myriophyllum
- Species:
- Myriophyllum tenellum
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Aquatic
- Height:
- 2-3 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun, aug
- Bloom Colors:
- Red, Pink, Blue, Purple
Native Range
United States: Connecticut, Massachusetts, Maryland, Maine, Michigan, Minnesota, North Carolina, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Virginia, Vermont, Wisconsin, Canada: New Brunswick, Nova Scotia, Ontario, Quebec
Soil Requirements
- Soil Type:
- sandy, acidic, nutrient-poor soil
- pH:
- 5.0 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in shallow water or wet sandy areas.