Gray'S Flat Sedge
Cyperus grayi
Last reviewed: June 2026

Light
part sun
Water
high
Size
12"–36" H × 6"–18" W
Bloom
Jun, Jul, Aug
Native to
AL, CT, DE, FL and 11 more states
Gray's sedge is a native wetland perennial that forms clumps of narrow, grass-like leaves. It produces small, inconspicuous flower clusters on triangular stems during summer months and thrives in consistently moist to wet soils.
In an HOA neighborhood
Gray'S Flat Sedge takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Sedge appearance may look too wild or weedy for front yards
- Requires consistently moist conditions that may appear unkempt
- Umbrella-shaped flowers can appear unusual to traditional gardeners
Wildlife value
This sedge provides habitat and nesting material for wetland birds and supports various small insects. The seeds are eaten by waterfowl and songbirds that frequent wet areas.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Gray'S Flat Sedge fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.