North America Non-native Plant

Dichanthium Tenuiculum

Botanical name: Dichanthium tenuiculum

USDA symbol: DITE11

Habit: grass

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

Synonyms: Dichanthium superciliatum (Hack.) A. Camus (DISU7)   

Dichanthium tenuiculum: The Mystery Grass You’ve Probably Never Heard Of If you’ve stumbled across the name Dichanthium tenuiculum in your plant research adventures, you’re likely scratching your head wondering what exactly this grass is all about. Don’t worry – you’re not alone! This particular species is something of an enigma ...

Dichanthium tenuiculum: The Mystery Grass You’ve Probably Never Heard Of

If you’ve stumbled across the name Dichanthium tenuiculum in your plant research adventures, you’re likely scratching your head wondering what exactly this grass is all about. Don’t worry – you’re not alone! This particular species is something of an enigma in the gardening world, with very little information readily available for home gardeners.

What We Know About This Mysterious Grass

Dichanthium tenuiculum belongs to the grass family and falls into the category of what botanists call graminoids – basically grass and grass-like plants. You might also see it listed under its synonym, Dichanthium superciliatum, though neither name is likely to ring any bells for most gardeners.

Here’s the thing about this particular grass: it’s not your typical garden center find. In fact, there’s remarkably little documented information about its appearance, growing habits, or cultivation requirements. This suggests it’s either extremely rare, not commonly cultivated, or perhaps mainly of interest to specialized researchers rather than home gardeners.

The Challenge for Home Gardeners

Unfortunately, the lack of available information about Dichanthium tenuiculum makes it nearly impossible to provide specific growing advice. We don’t have reliable data about:

  • Its native range or geographical distribution
  • Preferred growing conditions
  • USDA hardiness zones
  • Mature size and growth habits
  • Aesthetic qualities or landscape uses
  • Wildlife or pollinator benefits

What This Means for Your Garden

Given the scarcity of information, Dichanthium tenuiculum isn’t a plant we’d recommend for typical home landscaping projects. Without knowing its growing requirements, potential invasiveness, or even basic care needs, it would be a risky choice for most gardeners.

If you’re specifically interested in native grasses or are working on a specialized restoration project, you’d be better served by choosing well-documented native grass species with known benefits and cultivation requirements.

Better Alternatives for Your Landscape

Instead of this mystery grass, consider these well-documented native grass options that can provide reliable beauty and ecological benefits:

  • Little bluestem (Schizachyrium scoparium)
  • Buffalo grass (Poaceae dactyloides)
  • Purple needlegrass (Stipa pulchra)
  • Switchgrass (Panicum virgatum)

These alternatives offer the advantage of extensive growing information, known wildlife benefits, and proven success in home landscapes.

The Bottom Line

While Dichanthium tenuiculum might sound intriguing, the lack of available cultivation information makes it an impractical choice for most gardening situations. Sometimes the most responsible gardening advice is to steer clear of plants that don’t have well-documented growing requirements – especially when there are so many wonderful, well-understood native alternatives available.

If you’re determined to learn more about this species, consider reaching out to botanical research institutions or native plant societies, as they may have access to specialized databases or research that isn’t readily available to the general public.

Dichanthium Tenuiculum

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

Dichanthium Willem. - bluestem

Species

Dichanthium tenuiculum (Steud.) S.T. Blake

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