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Dioecious Sedge

Carex sterilis

Last reviewed: June 2026

Dioecious Sedge (Carex sterilis)
Photo: aarongunnar / Wikimedia Commons (CC BY 4.0)

Light

part shade

Water

medium

Size

8"–24" H × 6"–12" W

Bloom

May, Jun, Jul

Native to

CT, IA, IL, IN and 14 more states

Dioecious sedge is a compact native grass that forms neat clumps in partially shaded areas. This low-maintenance perennial produces inconspicuous flowers from May through July and tolerates average moisture conditions well.

In an HOA neighborhood

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

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

  • Goes dormant in winter, losing visual appeal

Wildlife value

While not a major pollinator plant, this sedge provides habitat and nesting material for ground-dwelling insects and small wildlife. The seeds may attract some birds in late summer.

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.

Does Dioecious Sedge fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.