Southern Watergrass
Luziola fluitans
Last reviewed: June 2026

Light
full sun
Water
high
Size
12"–36" H × 12"–36" W
Bloom
N/A
Native to
AL, AR, FL, GA and 5 more states
Southern watergrass is an aquatic annual grass that thrives in wet conditions like pond edges, marshes, and rain gardens. It grows in clumps and requires consistently moist to saturated soil to survive.
In an HOA neighborhood
Southern Watergrass takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Requires wetland conditions unsuitable for typical landscaping
- Annual lifespan creates gaps in planting
- Wild, informal appearance doesn't match suburban aesthetics
Wildlife value
Provides habitat and food for waterfowl and marsh birds. Seeds support various wetland wildlife species.
Common questions
- How much sun does Southern Watergrass need?
- Southern Watergrass grows best in full sun conditions.
- Where is Southern Watergrass native?
- Southern Watergrass (Luziola fluitans) is native to AL, AR, FL, GA and 5 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Southern Watergrass HOA-friendly?
- Southern Watergrass 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 Southern Watergrass? 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