Mossman River Grass
Cenchrus echinatus
Last reviewed: June 2026

Light
full sun
Water
low
Size
12"–36" H × 6"–24" W
Bloom
Jun, Jul, Aug, Sep
Native to
AL, AR, AZ, CA and 17 more states
Browse plants for this ecoregion
Mossman river grass is a low-growing annual grass that forms compact clumps in sunny, dry locations. It produces seed heads during summer and fall months, then dies back completely in winter as an annual species.
In an HOA neighborhood
Mossman River Grass takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Dies completely each winter as annual
- Seed heads can appear weedy or unkempt
- May self-seed unpredictably
Wildlife value
This grass provides some habitat and potential food sources for small wildlife, though it lacks significant pollinator value since grasses are primarily wind-pollinated.
Common questions
- How much sun does Mossman River Grass need?
- Mossman River Grass grows best in full sun conditions.
- When does Mossman River Grass bloom?
- Mossman River Grass blooms in June, July, August, and September.
- Where is Mossman River Grass native?
- Mossman River Grass (Cenchrus echinatus) is native to AL, AR, AZ, CA and 17 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Mossman River Grass HOA-friendly?
- Mossman River 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 Mossman River 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