Coast Barnyard Grass
Echinochloa walteri
Last reviewed: June 2026
Light
full sun
Water
medium
Size
12"–48" H × 6"–24" W
Bloom
Jul, Aug, Sep
Native to
AL, AR, CT, DE and 27 more states
Browse plants for this ecoregion
Salt marsh millet is a tall annual grass native to coastal wetlands and marshy areas. This robust grass produces seed heads in late summer that provide food for birds, but requires consistent moisture to thrive. It naturally occurs in brackish marshes and wet meadows along coastal regions.
In an HOA neighborhood
Coast Barnyard 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.
- Looks very wild and weedy
- Dies back completely as annual
- Associated with wetland/marsh environments
Wildlife value
The seed heads attract various songbirds and waterfowl in fall. This grass also provides nesting habitat and cover for marsh birds and 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 Coast Barnyard Grass fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.