North America Native Plant

Big Sandbur

Botanical name: Cenchrus myosuroides

USDA symbol: CEMY

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states âš˜ Native to Puerto Rico  

Synonyms: Cenchropsis myosuroides (Kunth) Nash (CEMY2)   

Big Sandbur: A Tough Native Grass with a Prickly Personality When it comes to native grasses that can handle just about anything Mother Nature throws their way, big sandbur (Cenchrus myosuroides) is certainly a contender. But before you get too excited about adding this southeastern native to your garden, let’s ...

Big Sandbur: A Tough Native Grass with a Prickly Personality

When it comes to native grasses that can handle just about anything Mother Nature throws their way, big sandbur (Cenchrus myosuroides) is certainly a contender. But before you get too excited about adding this southeastern native to your garden, let’s talk about what makes this perennial grass both useful and… well, a bit challenging to live with.

What Exactly is Big Sandbur?

Big sandbur is a native perennial grass that calls the southeastern United States and Puerto Rico home. You’ll find this tough customer growing naturally across Alabama, Florida, Georgia, Louisiana, South Carolina, Texas, and Puerto Rico. As a member of the grass family, it’s what botanists call a graminoid – basically a fancy way of saying it’s grass-like in its growth habit.

This hardy native has been holding down sandy soils and coastal areas for centuries, and it’s earned quite a reputation for its tenacity. You might also see it listed under its scientific synonym, Cenchropsis myosuroides, in older botanical references.

The Good, The Bad, and The Spiky

Let’s be honest – big sandbur isn’t going to win any beauty contests in the traditional garden sense. Its main claim to fame (or infamy, depending on your perspective) is its spiny seed heads, or burs, which give the plant its common name. These burs are incredibly effective at dispersing seeds, but they’re also notorious for hitching rides on clothing, pet fur, and bare feet – ouch!

Where Big Sandbur Shines

Despite its prickly personality, big sandbur has some genuinely valuable qualities that make it worth considering for specific landscaping situations:

  • Erosion control champion: Those extensive root systems are fantastic for stabilizing sandy soils
  • Coastal tough guy: It handles salt spray and sandy conditions like a champ
  • Drought warrior: Once established, it laughs in the face of dry spells
  • Low maintenance: This grass pretty much takes care of itself

Is Big Sandbur Right for Your Landscape?

Big sandbur works best in very specific landscape situations. It’s not your typical suburban lawn substitute, but it can be perfect for:

  • Coastal restoration projects
  • Naturalized meadow areas (away from foot traffic)
  • Erosion control on slopes
  • Wildlife habitat projects in appropriate regions
  • Dune stabilization efforts

This native thrives in USDA hardiness zones 8-11, which aligns perfectly with its natural southeastern range.

Growing Conditions and Care

If you’ve decided that big sandbur fits your landscape needs, you’ll be pleased to know it’s refreshingly easy to grow. This grass prefers full sun and sandy, well-draining soils – think beach conditions. It’s remarkably drought tolerant once established and can even handle some salt exposure, making it ideal for coastal properties.

The plant’s wetland status varies depending on your region. In some areas, it’s classified as facultative, meaning it can handle both wet and dry conditions, while in others, it strongly prefers upland sites. This adaptability is part of what makes it such a successful native species.

A Word of Caution

Before you plant big sandbur, consider your long-term relationship with this grass. Those spiny seed heads aren’t just a minor inconvenience – they can be genuinely problematic in areas where people and pets spend time. If you have children who love to run barefoot through the yard or dogs that like to roll in the grass, big sandbur might not be your best choice.

Additionally, this grass can be quite vigorous once established, so make sure you’re prepared for its spreading nature.

The Bottom Line

Big sandbur is one of those plants that serves a very specific purpose in the native plant world. It’s not particularly ornamental, and it’s definitely not pet-friendly, but for erosion control, coastal restoration, and naturalized areas in its native range, it’s hard to beat. If you need a tough-as-nails native grass for challenging conditions and you can work around its spiky attitude, big sandbur might just be the unsung hero your landscape needs.

Just remember to warn your guests about those burs – your friendships will thank you!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Atlantic and Gulf Coastal Plain

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Caribbean

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Great Plains

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Big Sandbur

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

Cenchrus L. - sandbur

Species

Cenchrus myosuroides Kunth - big sandbur

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