Vernal Water-Starwort
Callitriche palustris
- Native to:
- Afghanistan, Aleutian Is., Austria, Baltic States, Bangladesh, Belarus, Belgium, Borneo, Bulgaria, Canada, China, Corse, Czechia-Slovakia, Denmark, Finland, France, Germany, Greece, Greenland, Hungary, Iceland, India, Iran, Ireland, Italy, Japan, Kazakhstan, Kirgizstan, Korea, Krym, Kuril Is., Labrador, Mexico, Nansei-shoto, Nepal, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Poland, Prince Edward I., Romania, Russia, Sardegna, Spain, Sumatera, Sweden, Switzerland, Tadzhikistan, Taiwan, Transcaucasus, Türkiye, Ukraine, United States, Uzbekistan
iNaturalist: © wernerehl (iNaturalist #178440239)





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Plantaginaceae
- Genus:
- Callitriche
- Species:
- Callitriche palustris
- USDA Symbol:
- CAPA52
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul,aug,sep
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, aquatic invertebrates
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, waterlogged, organic soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- often found in shallow water or wet mud
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.
The above propagation data sourced from Claude AI