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

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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