North America Non-native Plant

Digitaria Swalleniana

Botanical name: Digitaria swalleniana

USDA symbol: DISW3

Habit: grass

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

Digitaria swalleniana: The Mystery Grass That’s Stumping Botanists Ever stumbled across a plant name that seems to exist in the shadows of botanical databases? Meet Digitaria swalleniana, a grass species that’s about as elusive as a unicorn in your backyard. If you’re here looking for detailed growing guides and landscaping ...

Digitaria swalleniana: The Mystery Grass That’s Stumping Botanists

Ever stumbled across a plant name that seems to exist in the shadows of botanical databases? Meet Digitaria swalleniana, a grass species that’s about as elusive as a unicorn in your backyard. If you’re here looking for detailed growing guides and landscaping tips, well, you’re in for quite the botanical mystery!

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

Digitaria swalleniana belongs to the grass family (Poaceae), which puts it in the same botanical neighborhood as your lawn grass, ornamental grasses, and those pesky weeds that pop up between your pavers. But here’s where things get interesting – or frustrating, depending on how you look at it.

This particular species appears to be either extremely rare, poorly documented, or possibly represents an outdated taxonomic name that’s been shuffled around in the ever-evolving world of plant classification. It’s like that one person everyone talks about but no one has actually met.

The Great Information Gap

Here’s what’s missing from our botanical knowledge about Digitaria swalleniana:

  • Common names (if any exist)
  • Native range and distribution
  • Growing requirements and conditions
  • Appearance and size characteristics
  • Wildlife and pollinator benefits
  • Hardiness zones
  • Invasive or conservation status

So, Should You Plant It?

Well, that’s the million-dollar question, isn’t it? Without knowing basic details like where it’s native to, what it looks like, or how it behaves in gardens, it’s impossible to recommend for or against planting Digitaria swalleniana. It’s like being asked to review a movie that might not even exist!

If you’ve somehow encountered this grass species or have seeds available, proceed with extreme caution. Unknown plants can sometimes turn out to be invasive troublemakers, and without proper identification and growing information, you could be setting yourself up for garden chaos.

Better Alternatives: Known Digitaria Species

If you’re interested in the Digitaria genus (also known as crabgrass), there are better-documented species to consider:

  • Digitaria sanguinalis – Though often considered a weed, it has ecological value
  • Digitaria ischaemum – Another common species with known characteristics
  • Native grass alternatives – Consider well-documented native grasses for your region instead

The Takeaway

Digitaria swalleniana remains one of those botanical enigmas that reminds us how much we still don’t know about the plant world. While mystery can be intriguing, it’s not particularly helpful when you’re trying to plan a garden or landscape.

If you’re interested in adding grasses to your garden, stick with well-documented native species that will provide known benefits to local wildlife and ecosystems. Leave the mystery grasses to the botanists and taxonomists who love a good puzzle!

Have you encountered Digitaria swalleniana in the wild or in cultivation? We’d love to hear about it – you might just help solve this botanical mystery!

Digitaria Swalleniana

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 swalleniana Henr. [excluded]

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