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False Nut Sedge

Cyperus strigosus

Last reviewed: June 2026

False Nut Sedge (Cyperus strigosus)
Photo: (c) Michael J. Papay, some rights reserved (CC BY), uploaded by Michael J. Papay

Light

part sun

Water

medium

Size

12"–40" H × 6"–18" W

Bloom

Jul, Aug, Sep

Native to

AL, AR, AZ, CA and 41 more states

False nut sedge is a clumping perennial with grass-like foliage that produces distinctive umbrella-shaped clusters of small brown flowers in summer. This native sedge forms neat mounds and tolerates both wet and moderately dry conditions once established.

In an HOA neighborhood

False Nut Sedge takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Grass-like appearance may be mistaken for weeds
  • Informal seed heads can look untidy
  • Sedges are often unfamiliar to typical homeowners

Wildlife value

The seeds provide food for waterfowl and songbirds, while the dense clumps offer nesting material and shelter for small wildlife.

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 False Nut Sedge fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.