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 vouchered herbarium specimen records 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.

Large-head Sedge

Name: Pollinator Patch
Author: Pollinator Patch

Carex macrocephala

Last reviewed: August 2026

Toxicity unknown

Large-head Sedge (Carex macrocephala) 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

full sun

Water

low

Size

8"–24" H × 8"–24" W

Bloom

May, Jun, Jul

Native to

OR, WA

Before you buy

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Browse plants for this ecoregion

Coast Range Puget Lowland

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 vouchered herbarium specimen records 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 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 Large-head Sedge? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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