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Large-head Sedge

Carex macrocephala

Last reviewed: June 2026

Large-head Sedge (Carex macrocephala)
Photo: USFWS - Pacific Region / Wikimedia Commons (Public domain)

Light

full sun

Water

low

Size

8"–24" H × 8"–24" W

Bloom

May, Jun, Jul

Native to

OR, WA

Browse plants for this ecoregion

Large-head sedge is a robust coastal native grass that forms dense clumps with distinctive large, rounded seed heads. This drought-tolerant perennial thrives in sandy soils and windy conditions, making it excellent for challenging sites. The architectural seed heads provide year-round interest and movement in the landscape.

In an HOA neighborhood

Large-head 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

The dense clumps provide nesting habitat and cover for small birds and beneficial insects. Seeds are eaten by various songbirds and the foliage offers shelter for native wildlife.

Common questions

How much sun does Large-head Sedge need?
Large-head Sedge grows best in full sun conditions.
When does Large-head Sedge bloom?
Large-head Sedge blooms in May, June, and July.
Where is Large-head Sedge native?
Large-head Sedge (Carex macrocephala) is native to OR, WA, per the USDA PLANTS Database and regional native plant society lists.
Is Large-head Sedge HOA-friendly?
Large-head 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-head 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