North America Native Plant

Longleaf Starwort

Botanical name: Stellaria longifolia var. longifolia

USDA symbol: STLOL

Life cycle: perennial

Habit: forb

Native status: Native to Alaska âš˜ Native to Canada âš˜ Native to the lower 48 states âš˜ Native to St. Pierre and Miquelon  

Synonyms: Alsine longifolia (Muhl. ex Willd.) Britton (ALLO3)   

Longleaf Starwort: A Delicate Native Ground Cover for Your Shade Garden Meet longleaf starwort (Stellaria longifolia var. longifolia), one of North America’s most widespread yet underappreciated native wildflowers. This charming little perennial might not win any flashy flower contests, but it’s got something even better going for it – it’s ...

Longleaf Starwort: A Delicate Native Ground Cover for Your Shade Garden

Meet longleaf starwort (Stellaria longifolia var. longifolia), one of North America’s most widespread yet underappreciated native wildflowers. This charming little perennial might not win any flashy flower contests, but it’s got something even better going for it – it’s perfectly adapted to thrive across an enormous range of climates and conditions, making it a reliable choice for gardeners who want to embrace native plants without the fuss.

What is Longleaf Starwort?

Longleaf starwort is a perennial forb – basically a soft-stemmed plant that comes back year after year without developing woody growth like shrubs or trees. As its name suggests, this plant sports narrow, elongated leaves that give it a delicate, almost grass-like appearance. The real show-stoppers are its tiny white flowers, each shaped like a perfect little star with five deeply notched petals that seem to twinkle in the garden.

You might occasionally see this plant listed under its botanical synonym, Alsine longifolia, but rest assured – it’s the same dependable native species.

Where Does Longleaf Starwort Call Home?

Here’s where longleaf starwort really shines – it’s native across an absolutely massive range. We’re talking about a plant that naturally grows from Alaska all the way down through Canada and across most of the lower 48 states. Whether you’re gardening in the chilly reaches of Alberta, the desert Southwest of Arizona, or the humid forests of the Eastern seaboard, chances are excellent that longleaf starwort is already a local native in your area.

This extensive distribution includes states and provinces like Alaska, California, Colorado, Maine, Montana, New York, Oregon, Texas, Washington, and dozens more – making it one of the most geographically diverse native plants you can choose for your garden.

Why Choose Longleaf Starwort for Your Garden?

While longleaf starwort might seem modest at first glance, it brings several compelling benefits to the table:

  • True native credentials: Since it’s native across such a vast range, you’re almost certainly supporting local ecosystems by planting it
  • Low maintenance: This plant is adapted to survive in your local climate without babying
  • Pollinator friendly: Those small white flowers attract beneficial insects, particularly small native bees and flies
  • Ground cover potential: It can spread to form attractive colonies in naturalized settings
  • Adaptable: Thrives in various conditions from moist woodlands to drier slopes

Perfect Garden Settings

Longleaf starwort isn’t the plant for formal, manicured gardens – and that’s perfectly fine! This species excels in more relaxed, naturalized settings where it can do what it does best. Consider it for:

  • Woodland gardens and forest edges
  • Shade gardens with dappled light
  • Naturalized meadow areas
  • Native plant gardens
  • Areas where you want low-maintenance ground cover

Growing Conditions and Care

One of the best things about choosing native plants is that they’re already adapted to your local growing conditions. Longleaf starwort typically prefers:

  • Light: Partial shade to full shade, though it can tolerate some morning sun
  • Soil: Moist, well-draining soil – it’s not too picky about soil type
  • Water: Regular moisture but not waterlogged conditions
  • Climate: Hardy across USDA zones 2-8, meaning it can handle both frigid winters and moderate summers

Planting and Maintenance Tips

Here’s the refreshing truth about longleaf starwort – it doesn’t need much from you once established:

  • Planting: Spring or fall are ideal times to establish new plants
  • Spacing: Give plants room to spread naturally if you want ground cover effect
  • Watering: Water regularly the first year, then let nature take over
  • Fertilizing: Usually unnecessary – native plants are adapted to local soil conditions
  • Pruning: Minimal pruning needed; let it follow its natural growth pattern

A Few Things to Consider

Like many native ground covers, longleaf starwort can self-seed and spread when happy. This is generally a good thing in naturalized settings, but keep an eye on it if you prefer more controlled growth. Its delicate appearance means it’s not the best choice for high-traffic areas where it might get trampled.

The Bottom Line

Longleaf starwort might not be the showiest plant in the native plant catalog, but it’s got something equally valuable – reliability, adaptability, and genuine native credentials across most of North America. If you’re looking to add authentic local character to shaded or naturalized areas of your garden while supporting native pollinators and local ecosystems, this unassuming little starwort deserves serious consideration.

Sometimes the best garden plants are the ones that simply do their job well without demanding attention – and longleaf starwort definitely fits that bill.

Longleaf Starwort

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

Stellaria L. - starwort

Species

Stellaria longifolia Muhl. ex Willd. - longleaf starwort

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