How much sun does Prairie Cordgrass need?

Prairie Cordgrass grows best in full sun conditions.

When does Prairie Cordgrass bloom?

Prairie Cordgrass blooms in July, August, and September.

Where is Prairie Cordgrass native?

Prairie Cordgrass (Sporobolus michauxianus) is native to AR, CO, CT, DE and 36 more states, per vouchered herbarium specimen records and regional native plant society lists.

Is Prairie Cordgrass HOA-friendly?

Prairie Cordgrass takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Prairie Cordgrass

Name: Pollinator Patch
Author: Pollinator Patch

Sporobolus michauxianus

Last reviewed: August 2026

Toxicity unknown

Prairie Cordgrass (Sporobolus michauxianus) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

high

Size

36"–72" H × 12"–24" W

Bloom

Jul, Aug, Sep

Native to

AR, CO, CT, DE and 36 more states

Pollinators

bees

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

North American Deserts Northwestern Forested Mountains Central Basin and Range Southern Rockies High Plains Southwestern Tablelands Central Great Plains Great Plains Cross Timbers South Central Plains Eastern Temperate Forests Ozark Highlands Central Irregular Plains Northwestern Glaciated Plains Northwestern Great Plains Northern Glaciated Plains Western Corn Belt Plains Northern Forests Northern Lakes and Forests North Central Hardwood Forests Driftless Area Southeastern Wisconsin Till Plains Central Corn Belt Plains Eastern Corn Belt Plains Southern Michigan/Northern Indiana Drift Plains Huron/Erie Lake Plains Northeastern Highlands Northeastern Coastal Zone Middle Atlantic Coastal Plain Northern Piedmont Southeastern Plains Ridge and Valley Central Appalachians Western Allegheny Plateau Interior Plateau Interior River Valleys and Hills Acadian Plains and Hills Eastern Great Lakes Lowlands Atlantic Coastal Pine Barrens

Prairie cordgrass is a tall, robust native grass that forms upright clumps with arching seed heads in summer and fall. It thrives in wet conditions and full sun, making it ideal for rain gardens or naturally moist areas. The grass turns golden-tan in winter before going dormant.

In an HOA neighborhood

Prairie Cordgrass 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.

Very tall height appears unmanicured in front yards
Can look messy when dormant
May be perceived as weedy by neighbors unfamiliar with native grasses

Wildlife value

This grass supports bees during its summer blooming period and provides seed for birds in fall. The dense clumps also offer nesting habitat and winter shelter for small wildlife.

Common questions

How much sun does Prairie Cordgrass need?: Prairie Cordgrass grows best in full sun conditions.
When does Prairie Cordgrass bloom?: Prairie Cordgrass blooms in July, August, and September.
Where is Prairie Cordgrass native?: Prairie Cordgrass (Sporobolus michauxianus) is native to AR, CO, CT, DE and 36 more states, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Prairie Cordgrass attract?: Prairie Cordgrass draws bees.
Is Prairie Cordgrass HOA-friendly?: Prairie Cordgrass 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 vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Prairie Cordgrass? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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