North America Non-native Plant

Field Chickweed

Botanical name: Cerastium arvense arvense

USDA symbol: CEARA2

Life cycle: perennial

Habit: forb

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

Field Chickweed: A Hardy Ground Cover with European Roots If you’re looking for a tough, low-growing perennial that can handle harsh conditions, field chickweed might catch your eye. This small but mighty plant has been making itself at home across North America, though it originally hails from much farther away. ...

Field Chickweed: A Hardy Ground Cover with European Roots

If you’re looking for a tough, low-growing perennial that can handle harsh conditions, field chickweed might catch your eye. This small but mighty plant has been making itself at home across North America, though it originally hails from much farther away.

What is Field Chickweed?

Field chickweed (Cerastium arvense arvense) is a perennial forb that forms low, spreading mats of small, narrow leaves. Don’t let its delicate appearance fool you – this little plant is tougher than it looks! As a forb, it’s an herbaceous plant without woody stems, but its perennial nature means it comes back year after year once established.

Origins and Distribution

Here’s where things get interesting: field chickweed isn’t actually native to North America. This European and Asian native has naturalized across parts of Canada and the northern United States, establishing populations in New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec, Minnesota, Wisconsin, and Newfoundland. It reproduces on its own in the wild and has proven quite persistent in these cooler climates.

What Does It Look Like?

Field chickweed produces charming little white flowers that are hard to miss once you know what to look for. Each flower has five deeply notched petals that almost look like ten petals at first glance. The flowers sit atop low, spreading stems clothed in small, narrow leaves that create a carpet-like effect when the plant is established.

Garden Role and Landscape Use

This tough little plant excels as a ground cover, particularly in challenging spots where other plants might struggle. It’s well-suited for:

  • Rock gardens and alpine-style plantings
  • Naturalized areas and wildflower meadows
  • Informal landscape settings
  • Areas with poor or rocky soil

Growing Conditions and Care

Field chickweed is refreshingly low-maintenance once you understand its preferences. It thrives in full sun to partial shade and isn’t picky about soil quality – in fact, it seems to prefer well-drained, even poor soils over rich, fertile ground. This drought-tolerant plant is hardy in USDA zones 3-7, making it suitable for cooler climates.

One thing to keep in mind: field chickweed spreads by runners and can be quite aggressive once established. While this makes it excellent for covering large areas quickly, you’ll want to consider whether this spreading habit fits your garden plans.

Wildlife and Pollinator Benefits

The small white flowers attract various pollinators, including small bees, flies, and other tiny beneficial insects. While not a major pollinator plant, it does contribute to the overall ecosystem when grown in naturalized settings.

Should You Plant Field Chickweed?

Since field chickweed is non-native, consider your gardening goals carefully. While it’s not considered invasive, you might want to explore native alternatives that provide similar benefits while supporting local ecosystems. Some excellent native ground covers to consider include wild strawberry, creeping phlox, or native sedums, depending on your region.

If you do choose to grow field chickweed, it’s a reliable, low-maintenance option for challenging sites. Just be prepared for its enthusiastic spreading habit and consider containing it if you don’t want it to take over large areas.

The Bottom Line

Field chickweed is a hardy, adaptable ground cover that can solve problems in difficult garden spots. While its non-native status means it’s not the best choice for supporting native wildlife, it’s also not considered harmful to local ecosystems. Whether you choose to grow it or opt for native alternatives, understanding this common naturalized plant helps you make informed decisions for your landscape.

Field Chickweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Caryophyllaceae Juss. - Pink family

Genus

Cerastium L. - mouse-ear chickweed

Species

Cerastium arvense L. - field chickweed

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