Rock Sedge
Carex saxatilis
Last reviewed: June 2026
The USDA PLANTS Database (opens in new tab) does not flag Rock Sedge as toxic to livestock.
Light
part shade
Water
high
Size
8"–24" H × 6"–18" W
Bloom
May, Jun, Jul
Native to
OR
Browse plants for this ecoregion
Carex saxatilis is a native sedge that forms neat clumps of narrow, arching green foliage. It produces small flower spikes in late spring and early summer, thriving in moist, partially shaded locations.
In an HOA neighborhood
Rock 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 nesting material for birds and supports various insects. The seeds are eaten by waterfowl and songbirds.
Common questions
- How much sun does Rock Sedge need?
- Rock Sedge grows best in part shade conditions.
- When does Rock Sedge bloom?
- Rock Sedge blooms in May, June, and July.
- Where is Rock Sedge native?
- Rock Sedge (Carex saxatilis) is native to OR, per the USDA PLANTS Database and regional native plant society lists.
- Is Rock Sedge toxic to livestock?
- The USDA PLANTS Database does not flag Rock Sedge as toxic to livestock.
- Is Rock Sedge HOA-friendly?
- Rock 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 Rock 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