Gray's Flatsedge

Cyperus grayi

Native to:
United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cyperaceae
Genus:
Cyperus
Species:
Cyperus grayi
USDA Symbol:
CYGR2

Growth Characteristics

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

Garden & Ecology Notes

Wildlife Value:
birds, waterfowl
Deer Resistant:
Yes

Soil Requirements

Soil Type:
moist, fertile, well-drained loam
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in wet meadows and marshes

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Requires consistent moisture and light for germination. Seeds may germinate erratically.