North America Non-native Plant

Digitaria Smutsii

Botanical name: Digitaria smutsii

USDA symbol: DISM4

Habit: grass

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

Digitaria smutsii: A Mysterious Grass That Might Not Be What It Seems Have you ever stumbled across a plant name that seems to exist in a botanical twilight zone? Meet Digitaria smutsii – a grass species that’s proving to be quite the enigma in the plant world. If you’re trying ...

Digitaria smutsii: A Mysterious Grass That Might Not Be What It Seems

Have you ever stumbled across a plant name that seems to exist in a botanical twilight zone? Meet Digitaria smutsii – a grass species that’s proving to be quite the enigma in the plant world. If you’re trying to learn more about this particular plant for your garden, you’re not alone in hitting some research roadblocks.

The Mystery of the Missing Grass

Here’s the thing about Digitaria smutsii: it’s incredibly difficult to find reliable information about this supposed grass species. While the genus Digitaria is well-known and includes many common crabgrass species, smutsii doesn’t appear in major botanical databases or authoritative flora references. This raises some red flags that any curious gardener should be aware of.

What We Do Know

The limited information available suggests that Digitaria smutsii would be classified as a grass or grass-like plant, belonging to the Poaceae family. However, beyond this basic classification, details about its:

  • Common names
  • Native range and distribution
  • Growing requirements
  • Appearance and size
  • Ecological benefits

remain unknown or unverified.

Why This Matters for Your Garden

As a responsible gardener, especially one interested in native plants, encountering such mysterious species names should prompt some healthy skepticism. Here’s what this uncertainty means for your garden planning:

Identification Issues: Without clear documentation, you can’t be sure what you’re actually planting or if the plant you have matches this name.

Growing Guidance: Lack of established growing information makes it nearly impossible to provide proper care or choose appropriate planting locations.

Ecological Impact: Unknown native status means you can’t assess whether this plant would benefit local wildlife or potentially cause ecological issues.

What Should You Do Instead?

If you’ve encountered this plant name in your research or have a grass you think might be Digitaria smutsii, here are some better approaches:

Verify the Identification: Consult with local botanical experts, extension services, or native plant societies to properly identify any unknown grass in your area.

Consider Well-Documented Digitaria Species: If you’re interested in native grasses from this genus, research properly documented species that are confirmed native to your region.

Explore Native Grass Alternatives: Your local native plant society can recommend beautiful, well-documented native grasses that provide excellent wildlife benefits and are suited to your specific growing conditions.

The Takeaway

While plant exploration can be exciting, it’s important to work with reliable, well-documented species – especially when it comes to native gardening. The mystery surrounding Digitaria smutsii serves as a good reminder to always verify plant identifications and source information from reputable botanical references.

Rather than taking a gamble on this questionable species, consider investing your time and garden space in proven native grasses that will provide clear benefits to both your landscape and local ecosystem. Your local native plant experts will be happy to guide you toward beautiful, reliable alternatives that are perfectly suited to your area.

Digitaria Smutsii

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 smutsii Stent [excluded]

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