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Mountain Fringed Sedge

Carex gynandra

Last reviewed: August 2026

Mountain Fringed Sedge (Carex gynandra)
Photo: botanygirl / Wikimedia Commons (CC BY 4.0)

Toxicity unknown

Mountain Fringed Sedge (Carex gynandra) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part shade

Water

medium

Size

12"–24" H × 6"–12" W

Bloom

May, Jun, Jul

Native to

CT, GA, KY, MA and 17 more states

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Carex gynandra is a native sedge that forms neat, compact clumps of narrow green foliage. This well-behaved perennial maintains an attractive mounded shape throughout the growing season and produces subtle flower spikes in late spring and early summer.

In an HOA neighborhood

Mountain Fringed 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 nesting material for birds while supporting various small insects. The seeds are eaten by songbirds and waterfowl.

Common questions

How much sun does Mountain Fringed Sedge need?
Mountain Fringed Sedge grows best in part shade conditions.
When does Mountain Fringed Sedge bloom?
Mountain Fringed Sedge blooms in May, June, and July.
Where is Mountain Fringed Sedge native?
Mountain Fringed Sedge (Carex gynandra) is native to CT, GA, KY, MA and 17 more states, per vouchered herbarium specimen records and regional native plant society lists.
Is Mountain Fringed Sedge HOA-friendly?
Mountain Fringed Sedge is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Mountain Fringed 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