Big Cordgrass

Sporobolus cynosuroides

Native to:
Mexico, United States

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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