Prairie Cordgrass

Sporobolus michauxianus

Native to:
Canada, Prince Edward I., United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Sporobolus
Species:
Sporobolus michauxianus
USDA Symbol:
SPPE

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
200 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

Chortodes Rustic (Chortodes enervata), Hysterosia spartinana, Mesapamea stipata, Spartiniphaga inops

Garden & Ecology Notes

Wildlife Value:
birds, waterfowl, small mammals
Deer Resistant:
Yes
Salt Tolerant:
Yes
Fall Color:
tan, golden
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from the root crown following fire. Tolerates periodic burning typical of wet prairie and marsh edges.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Common in open, sandy areas; tolerates drought

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate readily with cold stratification. Light may improve germination rates.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Notes: Seeds require cold-moist stratification for optimal germination.

Source: Claude AI