Water Whorlgrass

Catabrosa aquatica

Native to:
Afghanistan, Albania, Algeria, Argentina, Austria, Baltic States, Belarus, Belgium, Bulgaria, Canada, Chile, China, Corse, Czechia-Slovakia, Denmark, Finland, Føroyar, France, Germany, Greece, Greenland, Hungary, Iceland, India, Iran, Iraq, Ireland, Italy, Kazakhstan, Kirgizstan, Krym, Labrador, Lebanon-Syria, Libya, Morocco, Nepal, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Palestine, Poland, Prince Edward I., Romania, Russia, Sardegna, Sicilia, Spain, Sweden, Switzerland, Tadzhikistan, Transcaucasus, Türkiye, Türkiye-in-Europe, Turkmenistan, Ukraine, United States, Uzbekistan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Catabrosa
Species:
Catabrosa aquatica
USDA Symbol:
CAAQ3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun,jul,aug
Ground Cover:
Yes

Garden & Ecology Notes

Wildlife Value:
waterfowl, shorebirds
Salt Tolerant:
Yes

Soil Requirements

Soil Type:
rich, moisture-retentive loamy soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in wetland areas and along water bodies

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate readily in wet conditions; light may improve germination.

The above propagation data sourced from Claude AI