Bladder Sedge
Carex vesicaria
Last reviewed: June 2026
Light
part shade
Water
high
Size
12"–36" H × 6"–18" W
Bloom
May, Jun, Jul
Native to
AZ, CA, CO, CT and 23 more states
Browse plants for this ecoregion
Bladder sedge is a tall, clumping wetland grass that thrives in consistently moist to wet soils and partial shade. It forms dense tufts of arching green foliage and produces distinctive inflated seed heads in late spring through summer. This sedge is best suited for rain gardens, pond edges, or other areas with reliable moisture.
In an HOA neighborhood
Bladder Sedge takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Requires consistently wet conditions that may create drainage issues
- Can appear wild and unkempt compared to traditional landscaping
- May spread aggressively in ideal wet conditions
Wildlife value
Wind-pollinated sedges like bladder sedge support waterfowl and wetland birds that feed on their seeds. The dense clumps provide nesting cover and habitat for amphibians and small wildlife in wet areas.
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 Bladder Sedge fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.