Illinois Flatsedge

Cyperus grayoides

Native to:
United States
Illinois Flatsedge

Wikimedia: Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cyperaceae
Genus:
Cyperus
Species:
Cyperus grayoides
USDA Symbol:
CYGR11

Growth Characteristics

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

Garden & Ecology Notes

Wildlife Value:
waterfowl, songbirds
Deer Resistant:
Yes

Soil Requirements

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

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Requires moist conditions and light for optimal germination.