Non-native Plants

Achnatherum Bromoides

Achnatherum bromoides

USDA symbol: ACBR6

Ever stumbled across a plant name that seems to exist in botanical limbo? Meet Achnatherum bromoides, a grass species that’s about as elusive as a unicorn in your backyard. If you’re scratching your head wondering what this plant actually is, you’re not alone – even botanists seem to have mixed ...

Achnatherum bromoides: The Mystery Grass That’s Harder to Find Than Your Car Keys

Ever stumbled across a plant name that seems to exist in botanical limbo? Meet Achnatherum bromoides, a grass species that’s about as elusive as a unicorn in your backyard. If you’re scratching your head wondering what this plant actually is, you’re not alone – even botanists seem to have mixed feelings about this particular grass.

What We Know (Which Isn’t Much)

Achnatherum bromoides belongs to the graminoid family, which is just a fancy way of saying it’s a grass or grass-like plant. Think of graminoids as the grass gang – they include true grasses, sedges, rushes, and their leafy relatives. This particular species has had a bit of an identity crisis over the years, previously going by names like Stipa aristella and Stipa bromoides.

The Great Unknown

Here’s where things get interesting (or frustrating, depending on your perspective). Information about Achnatherum bromoides is scarcer than hen’s teeth. We don’t have reliable data about:

  • Where it naturally occurs
  • What it looks like in detail
  • How big it gets
  • What growing conditions it prefers
  • Whether it’s native, invasive, or rare

This lack of information could mean several things: it might be an outdated botanical name, an extremely localized species, or simply a plant that hasn’t caught the attention of modern plant databases and gardening resources.

Should You Try to Grow It?

Given the mystery surrounding this plant, hunting down Achnatherum bromoides for your garden might be like searching for the Holy Grail. Even if you found seeds or plants labeled with this name, you’d have no guarantee of what you’re actually getting or how to care for it properly.

Instead of chasing botanical ghosts, consider these well-documented native grass alternatives that are much easier to find and grow:

  • Little bluestem (Schizachyrium scoparium)
  • Buffalo grass (Poaceae dactyloides)
  • Prairie dropseed (Sporobolus heterolepis)
  • Blue grama (Bouteloua gracilis)

The Bottom Line

While Achnatherum bromoides might sound intriguingly exotic, the reality is that growing a plant with virtually no available care information is like trying to bake a cake without a recipe – possible, but probably not worth the frustration. Your garden (and your sanity) will likely be happier with well-documented native grasses that come with actual growing instructions and guaranteed results.

Sometimes the best gardening advice is knowing when to pass on the botanical mysteries and stick with the tried-and-true plants that will actually thrive in your landscape.

Achnatherum bromoides is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Achnatherum bromoides is also known as:

Stipa aristella | USDA symbol: STAR14
Stipa bromoides | USDA symbol: STBR8

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Monocot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Monocotyledons
Subclass: Commelinidae
Order: Cyperales
Family: Poaceae Barnhart - Grass family
Genus: Achnatherum P. Beauv. - needlegrass

Species: Achnatherum bromoides (L.) P. Beauv.

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