Ross Sedge
Carex rossii
Last reviewed: June 2026
The USDA PLANTS Database (opens in new tab) does not flag Ross Sedge as toxic to livestock.
Light
part sun
Water
low
Size
6"–12" H × 6"–12" W
Bloom
May, Jun, Jul
Native to
AZ, CA, CO, ID and 11 more states
Browse plants for this ecoregion
Ross's sedge is a low-growing native grass that forms neat, compact clumps in part sun locations. This drought-tolerant perennial maintains a tidy appearance while requiring minimal care once established.
In an HOA neighborhood
Ross 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 seeds for ground-feeding birds and nesting material for small wildlife. The clumping growth habit offers shelter for beneficial insects.
Common questions
- How much sun does Ross Sedge need?
- Ross Sedge grows best in part sun conditions.
- When does Ross Sedge bloom?
- Ross Sedge blooms in May, June, and July.
- Where is Ross Sedge native?
- Ross Sedge (Carex rossii) is native to AZ, CA, CO, ID and 11 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Ross Sedge toxic to livestock?
- The USDA PLANTS Database does not flag Ross Sedge as toxic to livestock.
- Is Ross Sedge HOA-friendly?
- Ross 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 Ross 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