Bur-reed Sedge
Carex sparganioides
Last reviewed: June 2026
Carex sparganioides (Bur-reed Sedge) is a native grass-like sedge found across eastern and central North America, blooming from May through July in partial sun conditions.
The USDA PLANTS Database (opens in new tab) does not flag Bur-reed Sedge as toxic to livestock.
Light
part sun
Water
medium
Size
12"–36" H × 6"–18" W
Bloom
May, Jun, Jul
Native to
AR, CT, DE, GA and 23 more states
Bur-reed sedge is a clumping native grass that forms neat, upright tufts of narrow green foliage. It produces small, inconspicuous flower clusters in late spring and early summer, then goes dormant in winter. This adaptable sedge tolerates various soil conditions and provides excellent texture in naturalistic plantings.
Growing Bur-reed Sedge
Grow Bur-reed Sedge in part sun and medium water. Mature plants reach 12 to 36 inches tall and spread 6 to 18 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Bur-reed 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 completely dormant in winter, leaving brown stubble until spring
Wildlife value
While not a major pollinator plant, this sedge provides shelter and nesting material for small birds and beneficial insects. The seeds offer food for songbirds and small mammals in late summer and fall.
Common questions
- Where does Carex sparganioides naturally grow?
- Bur-reed Sedge is native to 27 states across eastern and central North America, from Maine to Georgia and west to Kansas and Minnesota.
- When does Bur-reed Sedge bloom?
- Carex sparganioides blooms from May through July, producing inconspicuous flowers typical of sedges.
- What growing conditions does Carex sparganioides prefer?
- This sedge grows well in partial sun conditions with medium moisture levels, though it can tolerate a range of light and water conditions.
- How can I identify Bur-reed Sedge?
- Carex sparganioides has a grass-like growth form typical of sedges, with triangular stems and narrow leaves. The seed heads resemble small bur-reed clusters, giving the plant its common name.
- Is Bur-reed Sedge toxic to livestock?
- The USDA PLANTS Database does not flag Bur-reed Sedge as toxic to livestock.
- Is Bur-reed Sedge HOA-friendly?
- Bur-reed 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 Bur-reed 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