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Slender Sand Sedge

Cyperus filiculmis

Last reviewed: June 2026

Slender Sand Sedge (Cyperus filiculmis)
Photo: (c) Sam Kieschnick, some rights reserved (CC BY), uploaded by Sam Kieschnick

Light

part sun

Water

medium

Size

12"–24" H × 6"–12" W

Bloom

Jun, Jul, Aug, Sep

Native to

AL, DE, FL, GA and 8 more states

Slender flatsedge is a delicate native sedge that forms small, tidy clumps with thin, grass-like foliage. It produces small brownish flower clusters from summer through early fall and thrives in partial sun with moderate moisture.

In an HOA neighborhood

Slender Sand Sedge is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

Wildlife value

This sedge provides habitat and food for small birds and beneficial insects. The seeds attract finches and sparrows, while the foliage offers shelter for ground-dwelling creatures.

Common questions

How much sun does Slender Sand Sedge need?
Slender Sand Sedge grows best in part sun conditions.
When does Slender Sand Sedge bloom?
Slender Sand Sedge blooms in June, July, August, and September.
Where is Slender Sand Sedge native?
Slender Sand Sedge (Cyperus filiculmis) is native to AL, DE, FL, GA and 8 more states, per the USDA PLANTS Database and regional native plant society lists.
Is Slender Sand Sedge HOA-friendly?
Slender Sand Sedge is generally an HOA-friendly choice in the right placement, with low maintenance.

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.

Ready to grow Slender Sand Sedge? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz