North America Non-native Plant

Gulf Cockspur Grass

Botanical name: Echinochloa cruspavonis var. cruspavonis

USDA symbol: ECCRC2

Life cycle: annual

Habit: grass

Native status: Non-native, reproduces and persists in the wild in the lower 48 states âš˜ Non-native, reproduces and persists in the wild in Puerto Rico  

Synonyms: Oplismenus crus-pavonis Kunth (OPCR2)   

Gulf Cockspur Grass: What Gardeners Need to Know If you’ve spotted a grassy plant with distinctive seed heads in your garden or local landscape, you might be looking at gulf cockspur grass (Echinochloa cruspavonis var. cruspavonis). This annual grass has quietly made itself at home across several U.S. states, and ...

Gulf Cockspur Grass: What Gardeners Need to Know

If you’ve spotted a grassy plant with distinctive seed heads in your garden or local landscape, you might be looking at gulf cockspur grass (Echinochloa cruspavonis var. cruspavonis). This annual grass has quietly made itself at home across several U.S. states, and while it’s not a showstopper in the ornamental department, it’s worth understanding what you’re dealing with.

What Is Gulf Cockspur Grass?

Gulf cockspur grass belongs to the grass family (Poaceae) and is characterized by its grass-like growth habit. As an annual plant, it completes its entire life cycle within one growing season, sprouting from seed, growing, flowering, setting seed, and dying all within the same year. You might also see it referred to by its scientific synonym, Oplismenus crus-pavonis.

Where You’ll Find It

This grass has established itself across a surprisingly wide range of locations in the United States. You can find gulf cockspur grass growing in Alabama, California, Florida, Mississippi, Nevada, Oregon, Texas, and Puerto Rico. It’s important to note that this species is not native to these areas – it’s an introduced plant that has naturalized and now reproduces on its own in the wild.

Should You Plant Gulf Cockspur Grass?

Here’s the thing about gulf cockspur grass – it’s not typically something you’d intentionally add to your garden design. Since it’s a non-native species, it doesn’t provide the same ecological benefits as native grasses that have co-evolved with local wildlife and pollinators. While we don’t have definitive information about its invasive potential, it’s generally better to choose native alternatives when possible.

Native Alternatives to Consider

If you’re looking for native grasses to enhance your landscape, consider these options instead:

  • Little bluestem (Schizachyrium scoparium) – beautiful fall color and excellent wildlife habitat
  • Buffalo grass (Poaceae family natives) – drought-tolerant and low-maintenance
  • Regional sedges (Cyperaceae family) – great for wet areas and wildlife support

If You Encounter Gulf Cockspur Grass

Since gulf cockspur grass is an annual, it relies on seed production to maintain its presence. If you find it in your garden and prefer to remove it, the best approach is to prevent it from going to seed. Hand-pulling or mowing before seed set can help reduce its spread to other areas of your property.

The Bottom Line

While gulf cockspur grass isn’t necessarily harmful, it’s not adding much value to your garden ecosystem either. As gardeners become more aware of the importance of supporting native plant communities, choosing indigenous species over introduced ones becomes an easy way to create more beneficial outdoor spaces. Your local native plant society or extension office can help you identify the best native grass alternatives for your specific region and growing conditions.

Remember, every plant choice is an opportunity to support local wildlife, pollinators, and the broader ecosystem – so why not make it count?

Gulf Cockspur Grass

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Poaceae Barnhart - Grass family

Genus

Echinochloa P. Beauv. - cockspur grass

Species

Echinochloa crus-pavonis (Kunth) Schult. - gulf cockspur grass

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA