North America Non-native Plant

Isachne

Botanical name: Isachne carolinensis

USDA symbol: ISCA5

Habit: grass

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

Isachne: The Mystery Grass That’s Hard to Find in Gardens If you’ve stumbled across the name Isachne carolinensis while researching native grasses, you’re probably wondering what this plant is all about. Well, you’re in for a bit of a mystery! This little-known grass is one of those plants that exists ...

Isachne: The Mystery Grass That’s Hard to Find in Gardens

If you’ve stumbled across the name Isachne carolinensis while researching native grasses, you’re probably wondering what this plant is all about. Well, you’re in for a bit of a mystery! This little-known grass is one of those plants that exists more in botanical records than in garden centers, and there’s a good reason for that.

What Is Isachne?

Isachne carolinensis, commonly known simply as isachne, is a grass species that belongs to the large and diverse Poaceae family. Like other true grasses, it’s a monocot with the characteristic narrow leaves and small, wind-pollinated flowers that grasses are known for. The species name carolinensis suggests it may have origins in the Carolinas or broader southeastern United States, though specific distribution information is surprisingly hard to come by.

The Challenge of Growing Isachne

Here’s where things get interesting (and a bit frustrating if you’re hoping to add this to your garden): reliable information about Isachne carolinensis is remarkably scarce. This could mean several things:

  • It might be an extremely rare species with limited distribution
  • It could be a grass that’s simply not been studied extensively for horticultural purposes
  • The species might have been reclassified or its name changed in botanical literature

Why You Might Want to Skip This One

As much as we love diving into the world of native plants, Isachne carolinensis presents some real challenges for the home gardener:

  • Limited availability: You’re unlikely to find this grass at nurseries or even specialty native plant sales
  • Unknown growing requirements: Without clear information about its preferred conditions, growing it successfully would be mostly guesswork
  • Uncertain benefits: We don’t have good data on what wildlife value or garden function it might provide

Better Native Grass Alternatives

Instead of searching for the elusive isachne, consider these well-documented native grasses that offer proven garden value:

  • Little bluestem (Schizachyrium scoparium): Beautiful fall color and excellent wildlife value
  • Buffalo grass (Poaceae dactyloides): Low-maintenance lawn alternative for drier climates
  • Purple lovegrass (Eragrostis spectabilis): Stunning purple seed heads in late summer
  • Switchgrass (Panicum virgatum): Tall, architectural presence with great winter interest

If You’re Determined to Learn More

For the truly curious gardener or botanical enthusiast, your best bet for learning more about Isachne carolinensis would be to:

  • Contact your local extension office or botanical garden
  • Reach out to native plant societies in the southeastern United States
  • Consult academic botanical databases and herbarium records

Sometimes the most interesting plants are the ones that remain mysteries, reminding us just how much diversity exists in the plant kingdom—even if we can’t always bring it home to our gardens!

Isachne

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

Isachne R. Br. - bloodgrass

Species

Isachne carolinensis Ohwi - isachne

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