North America Native Plant

Field Chickweed

Botanical name: Cerastium arvense fuegianum

USDA symbol: CEARF

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Cerastium arvense L. var. fuegianum Hook. f. (CEARF2)  âš˜  Cerastium fuegianum (Hook. f.) A. Nelson (CEFU)  âš˜  Cerastium thermale Rydb. (CETH5)   

Field Chickweed: A Hardy Native Ground Cover for Mountain Gardens If you’ve ever hiked through the high country of Utah or Wyoming and noticed delicate white flowers carpeting rocky slopes, you might have encountered field chickweed (Cerastium arvense fuegianum). This tough little native perennial has quietly made a name for ...

Field Chickweed: A Hardy Native Ground Cover for Mountain Gardens

If you’ve ever hiked through the high country of Utah or Wyoming and noticed delicate white flowers carpeting rocky slopes, you might have encountered field chickweed (Cerastium arvense fuegianum). This tough little native perennial has quietly made a name for itself as one of the most resilient ground covers in America’s mountain regions.

What Makes Field Chickweed Special?

Field chickweed is a native forb that belongs to the carnation family. Don’t let the word weed in its name fool you – this plant is far from being a garden pest. As a true American native, it has spent countless generations adapting to some of our continent’s most challenging growing conditions.

This perennial herb lacks woody stems, instead forming low-growing mats that hug the ground. Its scientific name, Cerastium arvense fuegianum, reflects its close relationship to other chickweeds, but this particular variety has evolved specifically for high-altitude life in the American West.

Where Does Field Chickweed Call Home?

Field chickweed is native to the mountainous regions of Utah and Wyoming, where it thrives in alpine and subalpine environments. These plants have mastered the art of surviving in places where the growing season is short, temperatures can plummet, and soil conditions are often challenging.

Garden Appeal and Landscape Use

What draws gardeners to field chickweed is its charming simplicity and remarkable toughness. The plant produces small, pristine white flowers with five delicate petals that create a lovely contrast against its narrow, gray-green leaves. When in bloom, a patch of field chickweed looks like someone scattered tiny white stars across the landscape.

This ground-hugging perennial works beautifully in:

  • Rock gardens and alpine plant collections
  • Xerophytic landscapes designed for water conservation
  • Native plant gardens celebrating regional flora
  • Difficult slopes where other plants struggle to establish

Growing Conditions and Care

Field chickweed thrives in USDA hardiness zones 3-6, making it perfect for gardeners in colder climates who want a reliable native ground cover. Here’s what this mountain native needs to flourish:

Sunlight: Full sun exposure mimics its natural high-altitude habitat where shade is scarce.

Soil: Well-draining soil is absolutely critical. This plant despises soggy conditions and will quickly rot in poorly drained areas. Sandy or rocky soil that might challenge other plants suits field chickweed perfectly.

Water: Once established, field chickweed is remarkably drought tolerant. It’s adapted to surviving on minimal moisture, making it an excellent choice for water-wise gardening.

Benefits to Wildlife and Pollinators

While field chickweed might seem modest, it plays an important role in supporting native wildlife. Its small flowers attract various native bees, flies, and other tiny pollinators that are essential to healthy ecosystems. These smaller pollinators are often overlooked but are crucial for maintaining biodiversity in native plant communities.

Planting and Establishment Tips

Getting field chickweed established requires patience and attention to its specific needs:

  • Plant in early spring or fall when temperatures are cooler
  • Ensure excellent drainage – consider raised beds or slopes if your soil is heavy
  • Start with small plants rather than seeds, as establishment can be slow
  • Water regularly during the first growing season, then gradually reduce as the plant establishes
  • Avoid fertilizing, as rich soils can actually harm this adapted-to-lean-conditions plant

Is Field Chickweed Right for Your Garden?

Field chickweed isn’t the right choice for every garden. It’s best suited for gardeners who:

  • Live in appropriate hardiness zones (3-6)
  • Want to support native plant conservation
  • Have challenging, dry, or rocky areas that need ground cover
  • Appreciate subtle, natural beauty over flashy displays
  • Practice water-conservative gardening

If you’re looking for a low-maintenance native that can handle tough conditions while providing habitat for small pollinators, field chickweed might be exactly what your garden needs. Just remember – this mountain native plays by mountain rules, so give it the well-drained, sunny conditions it craves, and it will reward you with years of quiet, dependable beauty.

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