North America Native Plant

Longstalk Starwort

Botanical name: Stellaria longipes arenicola

USDA symbol: STLOA4

Life cycle: perennial

Habit: forb

Native status: Native to Canada  

Synonyms: Stellaria arenicola Raup (STAR6)  âš˜  Stellaria longipes Goldie var. arenicola (Raup) B. Boivin (STLOA3)   

Longstalk Starwort: A Little-Known Prairie Native If you’re a native plant enthusiast exploring the more obscure corners of North American flora, you might have stumbled across longstalk starwort (Stellaria longipes arenicola). This unassuming little perennial is one of those plants that doesn’t make headlines but quietly holds its own place ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Longstalk Starwort: A Little-Known Prairie Native

If you’re a native plant enthusiast exploring the more obscure corners of North American flora, you might have stumbled across longstalk starwort (Stellaria longipes arenicola). This unassuming little perennial is one of those plants that doesn’t make headlines but quietly holds its own place in Canada’s prairie ecosystems.

What Exactly Is Longstalk Starwort?

Longstalk starwort is a perennial forb—essentially a non-woody flowering plant that comes back year after year. As a member of the Stellaria family, it’s related to chickweeds and other small-flowered plants that often go unnoticed in the wild. You might also see it listed under its synonyms Stellaria arenicola or Stellaria longipes var. arenicola in older botanical references.

Where Does It Call Home?

This native Canadian species has a pretty limited range, naturally occurring in Alberta and Saskatchewan. It’s adapted to life on the prairies, though the specifics of its preferred habitats aren’t well-documented in readily available sources.

Should You Grow Longstalk Starwort?

Here’s where things get a bit tricky. While longstalk starwort is undoubtedly a legitimate native species, there’s remarkably little information available about growing it in garden settings. This could mean a few things:

  • It might be quite specialized in its habitat requirements
  • It may not be readily available in the nursery trade
  • It could be one of those botanist’s plants that’s more interesting scientifically than horticulturally

The Information Gap

Unfortunately, details about longstalk starwort’s appearance, growing conditions, hardiness zones, and garden performance are scarce in commonly available resources. This isn’t unusual for subspecies or varieties of native plants that have very specific geographic ranges or habitat requirements.

What We Do Know

As a perennial forb, longstalk starwort would theoretically come back each year once established. Being native to the Canadian prairies suggests it’s likely quite hardy and adapted to challenging conditions including:

  • Cold winters
  • Variable precipitation
  • Potentially sandy or well-draining soils (suggested by some of its synonyms)

A Word of Caution

Before seeking out this plant for your garden, it’s worth noting that its conservation status is listed as S5T3, though the specific meaning isn’t clearly defined in available sources. This could potentially indicate some level of rarity or concern, so if you do encounter it, make sure any plant material is responsibly and legally sourced.

Better-Known Alternatives

If you’re interested in native prairie plants with star-like flowers, you might consider better-documented alternatives like:

  • Other Stellaria species that are more widely available
  • Native asters or other prairie wildflowers
  • Well-established prairie restoration plants

The Bottom Line

Longstalk starwort represents one of those fascinating but elusive native plants that reminds us how much we still don’t know about our local flora. While it’s certainly a legitimate part of Canada’s prairie heritage, the lack of cultivation information makes it a challenging choice for most gardeners.

If you’re specifically interested in plants native to Alberta or Saskatchewan, you might be better served by consulting local native plant societies or prairie restoration experts who might have more specialized knowledge about this particular species and whether it’s appropriate for garden cultivation.

Longstalk 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 longipes Goldie - longstalk starwort

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