Narrowleaf Water-Starwort

Callitriche hamulata

Native to:
Algeria, Austria, Baltic States, Belarus, Belgium, Bulgaria, Czechia-Slovakia, Denmark, Finland, Føroyar, France, Germany, Greece, Greenland, Hungary, Iceland, India, Ireland, Italy, Morocco, Netherlands, Norway, NW. Balkan Pen., Poland, Portugal, Romania, Russia, Spain, Sweden, Switzerland, Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Plantaginaceae
Genus:
Callitriche
Species:
Callitriche hamulata
USDA Symbol:
CAIN52

Growth Characteristics

Growth Habit:
Forb/herb
Height:
100 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
Low
Bloom Months:
may,jun,jul,aug,sep

Garden & Ecology Notes

Wildlife Value:
waterfowl, fish
Deer Resistant:
Yes

Soil Requirements

Soil Type:
nutrient-rich, silty, waterlogged soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in slow-moving freshwater habitats

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days

The above propagation data sourced from Claude AI