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Smooth Saw-grass

Cladium mariscoides

Last reviewed: June 2026

Smooth Saw-grass (Cladium mariscoides)
Photo: Robert H. Mohlenbrock. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. Courtesy of USDA NRCS Wetland Science Institute. / Wikimedia Commons (Public domain)

Light

full sun

Water

high

Size

24"–60" H × 12"–24" W

Bloom

Jun, Jul, Aug

Native to

AL, CT, DE, FL and 19 more states

Smooth saw-grass is a tall wetland sedge that forms upright clumps with narrow, arching green leaves. It produces small brownish flower clusters in summer and thrives in consistently moist to wet soils in full sun. This native grass works well in rain gardens, pond edges, and other water-wise landscaping applications.

In an HOA neighborhood

Smooth Saw-grass takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Very tall and wild-looking appearance
  • Requires wetland conditions unsuitable for typical lawns
  • Can appear unkempt compared to conventional landscaping

Wildlife value

The seeds provide food for waterfowl and wetland birds. The dense clumps offer nesting habitat and cover for amphibians and small wildlife in wet areas.

Common questions

How much sun does Smooth Saw-grass need?
Smooth Saw-grass grows best in full sun conditions.
When does Smooth Saw-grass bloom?
Smooth Saw-grass blooms in June, July, and August.
Where is Smooth Saw-grass native?
Smooth Saw-grass (Cladium mariscoides) is native to AL, CT, DE, FL and 19 more states, per the USDA PLANTS Database and regional native plant society lists.
Is Smooth Saw-grass HOA-friendly?
Smooth Saw-grass takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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 Smooth Saw-grass? 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