How much sun does Prairie Cup Grass need?

Prairie Cup Grass grows best in full sun conditions.

When does Prairie Cup Grass bloom?

Prairie Cup Grass blooms in June, July, August, and September.

Where is Prairie Cup Grass native?

Prairie Cup Grass (Eriochloa contracta) is native to AL, AR, AZ, CA and 19 more states, per the World Checklist of Vascular Plants (Kew).

Is Prairie Cup Grass HOA-friendly?

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

Prairie Cup Grass

Name: Pollinator Patch
Author: Pollinator Patch

Eriochloa contracta

Last reviewed: August 2026

Toxicity unknown

Prairie Cup Grass (Eriochloa contracta) 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

low

Size

12"–24" H × 6"–12" W

Bloom

Jun, Jul, Aug, Sep

Native to

AL, AR, AZ, CA and 19 more states

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 452 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

Central California Valley Mojave Basin and Range Arizona/New Mexico Mountains High Plains Southwestern Tablelands Central Great Plains Great Plains Cross Timbers Texas Blackland Prairies East Central Texas Plains Western Gulf Coastal Plain Central Irregular Plains Western Corn Belt Plains Eastern Corn Belt Plains Interior River Valleys and Hills Mississippi Alluvial Plain Madrean Archipelago Sonoran Basin and Range

Prairie contractgrass is a native annual grass that forms compact, upright clumps reaching 1-2 feet tall. It produces delicate seed heads from summer through early fall and thrives in sunny, dry conditions with minimal care.

In an HOA neighborhood

Prairie Cup 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.

Annual lifecycle creates gaps in landscape
Can appear weedy or unkempt
Less predictable coverage than perennial alternatives

Wildlife value

This grass provides seeds for birds and small mammals in late summer and fall. As an annual, it offers less habitat value than perennial native grasses.

Common questions

How much sun does Prairie Cup Grass need?: Prairie Cup Grass grows best in full sun conditions.
When does Prairie Cup Grass bloom?: Prairie Cup Grass blooms in June, July, August, and September.
Where is Prairie Cup Grass native?: Prairie Cup Grass (Eriochloa contracta) is native to AL, AR, AZ, CA and 19 more states, per the World Checklist of Vascular Plants (Kew).
Is Prairie Cup Grass HOA-friendly?: Prairie Cup 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 World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

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

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