Slender Flatsedge
Cyperus bipartitus
Last reviewed: June 2026
Light
full sun
Water
medium
Size
4"–12" H × 2"–6" W
Bloom
Jun, Jul, Aug, Sep
Native to
AL, AR, AZ, CA and 41 more states
Shining flatsedge is a small annual sedge that forms compact clumps with narrow, grass-like leaves. It produces small, inconspicuous brownish flower clusters from summer through early fall. This diminutive plant works well as a filler in rock gardens or naturalized areas.
In an HOA neighborhood
Slender Flatsedge 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 weedy growth
- Inconspicuous flowers lack ornamental appeal
- Sedge form unfamiliar to many homeowners
Wildlife value
Provides seeds for small birds and ground-feeding wildlife. Offers minimal nectar but can support some small insects during its extended blooming period.
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 Slender Flatsedge fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.