Creeping Mannagrass
Glyceria acutiflora
Last reviewed: June 2026

Light
part sun
Water
high
Size
12"–36" H × 12"–24" W
Bloom
Jun, Jul, Aug
Native to
AL, CT, DE, GA and 17 more states
Creeping mannagrass is a native perennial grass that thrives in wet soils and partially shaded areas. It forms loose clumps 1-3 feet tall with delicate seed heads that appear in summer. This grass works well in rain gardens, pond edges, and other consistently moist locations.
In an HOA neighborhood
Creeping Mannagrass 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.
- Requires consistently wet conditions that may appear unkempt
- Has a wild, informal appearance typical of wetland grasses
- May be seen as too specialized/unusual for front yard landscapes
Wildlife value
The seeds provide food for waterfowl and songbirds, while the grass structure offers nesting material and shelter for small wildlife.
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 Creeping Mannagrass fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.