Tidalmarsh Flatsedge

Cyperus serotinus

Native to:
Afghanistan, Albania, Austria, Bangladesh, Bulgaria, Cambodia, China, Corse, East Aegean Is., France, Hungary, India, Iran, Italy, Japan, Kazakhstan, Kazan-retto, Kirgizstan, Korea, Nansei-shoto, North Caucasus, NW. Balkan Pen., Pakistan, Portugal, Romania, Russia, Spain, Switzerland, Tadzhikistan, Taiwan, Transcaucasus, Türkiye, Türkiye-in-Europe, Turkmenistan, Uzbekistan, Vietnam

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cyperaceae
Genus:
Cyperus
Species:
Cyperus serotinus
USDA Symbol:
CYSE5

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
brown, green

Garden & Ecology Notes

Wildlife Value:
waterfowl, songbirds
Deer Resistant:
Yes

Soil Requirements

Soil Type:
moist, nutrient-rich, loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in wetlands and marshy areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate best with consistent moisture and warm temperatures. Light may aid germination.

The above propagation data sourced from Claude AI