Northern Water-Starwort
Callitriche hermaphroditica
- Native to:
- Aleutian Is., Baltic States, Belarus, Canada, China, Czechia-Slovakia, Denmark, Finland, Føroyar, Germany, Greenland, Iceland, India, Ireland, Japan, Kazakhstan, Kirgizstan, Kuril Is., Labrador, Netherlands, Norway, Poland, Romania, Russia, Sweden, Tadzhikistan, Ukraine, United States
iNaturalist: © danielstewart (iNaturalist #129471199)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Plantaginaceae
- Genus:
- Callitriche
- Species:
- Callitriche hermaphroditica
- USDA Symbol:
- CAHE2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 50 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, aquatic invertebrates
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- nutrient-rich, silty or clayey soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- 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:
- 14–30 days
- Notes:
- Seeds require submersion in water and cool temperatures for germination.
The above propagation data sourced from Claude AI