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.
Common questions
- How much sun does Creeping Mannagrass need?
- Creeping Mannagrass grows best in part sun conditions.
- When does Creeping Mannagrass bloom?
- Creeping Mannagrass blooms in June, July, and August.
- Where is Creeping Mannagrass native?
- Creeping Mannagrass (Glyceria acutiflora) is native to AL, CT, DE, GA and 17 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Creeping Mannagrass HOA-friendly?
- Creeping Mannagrass 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 Creeping Mannagrass? 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