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Large Yellow Sedge

Carex flava

Last reviewed: June 2026

Large Yellow Sedge (Carex flava)
Photo: Carl Axel Magnus Lindman / Wikimedia Commons (Public domain)

Light

part shade

Water

medium

Size

12"–24" H × 8"–16" W

Bloom

May, Jun

Native to

CT, ID, IN, MA and 12 more states

Pollinators

beetles

Large yellow sedge is a clumping native grass that forms neat, low mounds of arching green foliage. It produces small yellow-green flower spikes in late spring and early summer, adding subtle texture to shade gardens.

In an HOA neighborhood

Large Yellow 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 various beetles and other small insects. Its seeds also feed small birds and the dense clumps offer nesting material.

Common questions

How much sun does Large Yellow Sedge need?
Large Yellow Sedge grows best in part shade conditions.
When does Large Yellow Sedge bloom?
Large Yellow Sedge blooms in May and June.
Where is Large Yellow Sedge native?
Large Yellow Sedge (Carex flava) is native to CT, ID, IN, MA and 12 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Large Yellow Sedge attract?
Large Yellow Sedge draws beetles.
Is Large Yellow Sedge HOA-friendly?
Large Yellow 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 Large Yellow 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