Big Cordgrass
Sporobolus cynosuroides
- Native to:
- Mexico, United States
Daderot





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Sporobolus
- Species:
- Sporobolus cynosuroides
- USDA Symbol:
- SPCY
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 300 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- aug,sep,oct
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
⚠️Rare Skipper (Problema bulenta)
Garden & Ecology Notes
- Wildlife Value:
- birds, waterfowl
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fall Color:
- tan, brown
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from rhizomes after fire. Tolerates periodic burning in marsh and prairie systems.
Soil Requirements
- Soil Type:
- moist, nutrient-rich, alluvial soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in marshes and wet meadows
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
- Notes:
- Seeds germinate readily with cold stratification. Light may improve germination rates.
The above propagation data sourced from Claude AI