Dioecious Sedge
Carex sterilis
Last reviewed: June 2026
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.
Common questions
- How much sun does Dioecious Sedge need?
- Dioecious Sedge grows best in part shade conditions.
- When does Dioecious Sedge bloom?
- Dioecious Sedge blooms in May, June, and July.
- Where is Dioecious Sedge native?
- Dioecious Sedge (Carex sterilis) is native to CT, IA, IL, IN and 14 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Dioecious Sedge HOA-friendly?
- Dioecious 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 Dioecious 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