Keeled Bulrush
Isolepis carinata
Last reviewed: June 2026
Light
full sun
Water
medium
Size
4"–12" H × 2"–6" W
Bloom
N/A
Native to
AL, AR, CA, FL and 12 more states
Browse plants for this ecoregion
Isolepis carinata is a small, grass-like sedge that forms compact tufts of narrow, arching stems. This delicate annual plant produces tiny, inconspicuous flowers and maintains a fine-textured appearance throughout its growing season. It thrives in full sun with moderate moisture and works well as a subtle accent plant.
In an HOA neighborhood
Keeled Bulrush 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.
- Very small size makes it appear sparse in landscape
- Annual nature means seasonal gaps in coverage
- Grass-like appearance may be mistaken for weedy growth
Wildlife value
As a sedge, this plant provides habitat for small beneficial insects and can offer nesting material for birds. Its seeds may attract small songbirds, though its overall wildlife value is modest compared to showier native plants.
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 Keeled Bulrush fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.