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Gray'S Flat Sedge

Cyperus grayi

Last reviewed: June 2026

Gray'S Flat Sedge (Cyperus grayi)
Photo: (c) Zihao Wang, some rights reserved (CC BY), uploaded by Zihao Wang

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.