North America Non-native Plant

Schizachyrium Pachyarthron

Botanical name: Schizachyrium pachyarthron

USDA symbol: SCPA18

Habit: grass

Native status: Not native but doesn't reproduce and persist in the wild

Schizachyrium pachyarthron: The Mystery Grass That’s Hard to Pin Down If you’ve stumbled across the name Schizachyrium pachyarthron in your plant research, you might be scratching your head wondering what exactly this grass is all about. Well, you’re not alone! This particular species is something of an enigma in the ...

Schizachyrium pachyarthron: The Mystery Grass That’s Hard to Pin Down

If you’ve stumbled across the name Schizachyrium pachyarthron in your plant research, you might be scratching your head wondering what exactly this grass is all about. Well, you’re not alone! This particular species is something of an enigma in the gardening world, with very little documented information available to help gardeners make informed decisions.

What We Know (And What We Don’t)

Schizachyrium pachyarthron belongs to the grass family and is classified as a graminoid – essentially a grass or grass-like plant. Beyond that basic classification, concrete information about this species is surprisingly scarce. We don’t have reliable data about its common names, native range, growing requirements, or garden performance.

This lack of information could mean several things: it might be a very regional species, a recently described plant, or possibly even a taxonomic name that’s fallen out of current use. In the plant world, sometimes names get shuffled around as botanists learn more about relationships between species.

Should You Plant It?

Here’s where things get tricky. Without knowing the specifics about Schizachyrium pachyarthron’s native status, growing requirements, or garden performance, it’s nearly impossible to give you solid advice about whether to plant it or not.

If you’re dead set on growing this particular species, you’d need to:

  • Verify its identity with a botanical expert
  • Confirm its native status in your region
  • Research its specific growing requirements
  • Source seeds or plants from reputable suppliers

Better-Known Alternatives

Instead of wrestling with this mystery grass, why not consider some well-documented native alternatives? The genus Schizachyrium includes some fantastic garden-worthy species with proven track records:

  • Little Bluestem (Schizachyrium scoparium): A widely available native grass that’s perfect for naturalized areas and prairie gardens
  • Other native bunch grasses in your region: Check with your local native plant society for recommendations

The Bottom Line

Sometimes in the plant world, you encounter species that are more puzzle than plant – at least from a gardener’s perspective. Schizachyrium pachyarthron appears to be one of these mysterious cases where the available information just isn’t sufficient to make gardening recommendations.

If you’re interested in native grasses (and you should be – they’re fantastic for wildlife and low-maintenance landscaping!), stick with well-documented species that have proven garden performance. Your local extension office or native plant society can point you toward grasses that will thrive in your specific conditions and provide known benefits to your local ecosystem.

Remember, successful gardening often comes down to choosing the right plant for the right place – and that’s a lot easier when you actually know what the plant needs!

Schizachyrium Pachyarthron

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

Schizachyrium Nees - little bluestem

Species

Schizachyrium pachyarthron C.A. Gardner

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