North America Non-native Plant

Cockspur Grass

Botanical name: Echinochloa

USDA symbol: ECHIN4

Life cycle: annual

Habit: grass

Native status: Status ranges from native, non-native that reproduces and persists in the wild, and, a waif that isn't naturalizedCanada âš˜ Non-native, reproduces and persists in the wild in Hawaii âš˜ It's either native or not native in the lower 48 states âš˜ Non-native, reproduces and persists in the wild in Pacific Basin excluding Hawaii âš˜ It's either native or not native in Puerto Rico âš˜ A waif, a non-native that isn't naturalized in St. Pierre and Miquelon âš˜ Non-native, reproduces and persists in the wild in the U.S. Virgin Islands  

Cockspur Grass: What Every Gardener Should Know About This Widespread Grass If you’ve ever wondered about that coarse, weedy-looking grass popping up in various corners of your yard or local natural areas, you might be looking at cockspur grass (Echinochloa). This widespread grass species has made itself at home across ...

Cockspur Grass: What Every Gardener Should Know About This Widespread Grass

If you’ve ever wondered about that coarse, weedy-looking grass popping up in various corners of your yard or local natural areas, you might be looking at cockspur grass (Echinochloa). This widespread grass species has made itself at home across North America, though it’s not actually native to our continent. Let’s dive into what makes this plant tick and whether it deserves a spot in your garden plans.

What is Cockspur Grass?

Cockspur grass is a graminoid – that’s a fancy way of saying it’s part of the grass family and related plants. It can behave as either an annual or perennial, depending on conditions, which partly explains its success in establishing itself across diverse environments. The plant gets its common name from its somewhat spiky, cock-spur-like seed heads that appear later in the growing season.

Where You’ll Find It

This adaptable grass has spread far and wide across North America. You can encounter cockspur grass from coast to coast in the United States, throughout most Canadian provinces, and even in U.S. territories like Hawaii, Puerto Rico, and the Virgin Islands. It’s particularly good at establishing itself in disturbed soils and areas where other plants struggle to gain a foothold.

Native Status: The Real Story

Here’s where things get interesting from a native gardening perspective. Cockspur grass is not native to North America – it’s an introduced species that has naturalized widely across the continent. In most regions, it reproduces spontaneously and persists without human intervention, essentially becoming part of the landscape despite its foreign origins.

Should You Plant Cockspur Grass?

The short answer? Probably not intentionally. While cockspur grass isn’t necessarily problematic enough to warrant active removal in most cases, it doesn’t offer much in terms of garden appeal or ecological benefits. Here’s why:

  • Its aesthetic value is limited – most gardeners would describe it as having a weedy, coarse appearance
  • It provides minimal wildlife benefits compared to native alternatives
  • It doesn’t support pollinators in any meaningful way
  • As a non-native species, it doesn’t contribute to local ecosystem relationships

Wildlife and Ecological Value

While cockspur grass does provide some wildlife value, it’s relatively modest. Research shows it makes up only 2-5% of the diet for small mammals and terrestrial birds, and 5-10% for water birds. These animals also use it sparsely for cover. For a grass that’s so widespread, these numbers suggest there are much better options available for supporting local wildlife.

Better Native Alternatives

Instead of settling for cockspur grass, consider these native grass alternatives that will provide superior ecological benefits and often better aesthetic appeal:

  • Buffalo grass (Poaceae family natives)
  • Native sedges (Carex species)
  • Regional native bunch grasses
  • Native rushes for wet areas (Juncus species)

If It Shows Up Anyway

Given cockspur grass’s ability to establish itself without invitation, you may find it appearing in your landscape regardless of your planting choices. If it does show up, you can:

  • Leave it be if it’s not interfering with your desired plants
  • Remove it before it sets seed if you prefer a more curated look
  • Replace it gradually with native alternatives that will outcompete it over time

The Bottom Line

Cockspur grass represents one of those meh plants in the gardening world – it’s not terrible, but it’s not great either. While it has managed to establish itself across virtually all of North America, its contributions to garden beauty and ecological health are minimal compared to what native alternatives can offer.

For gardeners focused on creating beautiful, ecologically valuable landscapes, your energy is better spent on native grasses and grass-like plants that will provide superior benefits for local wildlife, pollinators, and overall ecosystem health. Save cockspur grass for those it showed up on its own situations, and invest your intentional planting efforts in species that will truly enhance your landscape’s ecological value.

Wildlife Status

Want to attract wildlife or keep hungry critters away from your garden? Understanding the relationship between plants and wildlife is key. While plant tags may indicate deer and rabbit resistance, they don't tell the full story. Every gardener has experienced the disappointment of purchasing "deer-resistant" plants only to find them nibbled to the ground!

The extent to which plants are resistant to animal browsing is a matter of degree. Likewise, the extent to which a plant attracts wanted visitors also varies. Whether you want a garden full or free of wildlife, learning about interactions between a plant and wild animals can help you make smarter choices for the garden you desire.

As shown below Shrubby Indian Mallow isn't a large food source for animals or birds. You can confidently add this plant to your garden and rest assured knowing it's unlikely to be devoured by four-legged visitors.

Small animals

2-5% of diet

Sparsely used as cover

Large animals

not a food source

not a source of cover

Terrestrial birds

2-5% of diet

Sparsely used as cover

Water birds

5-10% of diet

Infrequently used as cover

Sources:

Martin, A.C., H.S. Zim, and A.L. Nelson. 1951. American wildlife and plants: A guide to wildlife food habits. Dover Publications. New York.

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

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