North America Non-native Plant

Digitaria Argyrograpta

Botanical name: Digitaria argyrograpta

USDA symbol: DIAR15

Habit: grass

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

Digitaria argyrograpta: The Mystery Grass That’s Playing Hard to Get Have you ever stumbled across a plant name that seems to exist in botanical limbo? Meet Digitaria argyrograpta, a grass species that’s about as elusive as a unicorn in your backyard. While most gardeners are familiar with the more common ...

Digitaria argyrograpta: The Mystery Grass That’s Playing Hard to Get

Have you ever stumbled across a plant name that seems to exist in botanical limbo? Meet Digitaria argyrograpta, a grass species that’s about as elusive as a unicorn in your backyard. While most gardeners are familiar with the more common members of the Digitaria genus (hello, crabgrass!), this particular species is shrouded in mystery.

What We Know (Spoiler Alert: It’s Not Much)

Digitaria argyrograpta belongs to the Poaceae family, making it a true grass. Like its cousins, it’s a monocot with the characteristic grass-like growth habit we’d expect from this plant family. Beyond that basic botanical classification, however, information about this species is remarkably scarce.

The lack of readily available information suggests this might be:

  • A recently described or reclassified species
  • A grass with an extremely limited natural range
  • A taxonomic name that hasn’t gained widespread recognition in horticultural circles

The Geographic Mystery

Unfortunately, the native range and geographical distribution of Digitaria argyrograpta remain undocumented in accessible resources. This makes it impossible to determine where this grass naturally occurs or whether it might be suitable for your local climate.

Should You Plant It?

Here’s where things get tricky. Without information about its growth habits, invasive potential, or cultivation requirements, it’s difficult to recommend whether you should add this grass to your garden. The responsible approach? Hold off until more information becomes available.

If you’re interested in native grasses for your landscape, consider these well-documented alternatives:

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

The Challenges of Obscure Species

Digitaria argyrograpta represents a fascinating challenge in the native plant world. Sometimes, botanical names exist in scientific literature without corresponding cultivation information, ecological data, or even clear distribution maps. This can happen when:

  • Species are newly described but not yet studied extensively
  • Plants have very restricted ranges or populations
  • Research hasn’t yet made its way into gardening and landscaping resources

What This Means for Gardeners

As native plant enthusiasts, we sometimes encounter these botanical puzzle pieces. While it’s tempting to track down every native species for our gardens, it’s important to work with plants that have documented cultivation requirements and known ecological roles.

If you’re determined to learn more about Digitaria argyrograpta, consider reaching out to:

  • Local botanical gardens or arboretums
  • University extension programs
  • Native plant societies in your area
  • Regional herbarium collections

The Bottom Line

While Digitaria argyrograpta remains an intriguing mystery in the grass world, there are plenty of well-documented native grasses that can provide beauty, wildlife habitat, and ecological benefits to your garden. Sometimes the most responsible approach is to stick with what we know while keeping our curiosity alive for future discoveries.

Who knows? Maybe someday this mysterious grass will step out of the shadows and into our gardens. Until then, let’s celebrate the native plants we can grow successfully while respecting the mysteries that nature still keeps close to her vest.

Digitaria Argyrograpta

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

Digitaria Haller - crabgrass

Species

Digitaria argyrograpta (Nees) Stapf [excluded]

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