North America Non-native Plant

Dactylis Glomerata Woronowii

Botanical name: Dactylis glomerata woronowii

USDA symbol: DAGLW2

Habit: grass

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

Dactylis glomerata woronowii: A Mysterious Grass Worth Investigating If you’ve stumbled across the name Dactylis glomerata woronowii in your plant research, you’re probably scratching your head right about now. Don’t worry – you’re not alone! This particular plant designation is something of a botanical puzzle that even experienced gardeners and ...

Dactylis glomerata woronowii: A Mysterious Grass Worth Investigating

If you’ve stumbled across the name Dactylis glomerata woronowii in your plant research, you’re probably scratching your head right about now. Don’t worry – you’re not alone! This particular plant designation is something of a botanical puzzle that even experienced gardeners and native plant enthusiasts find perplexing.

What We Know (And Don’t Know)

Here’s the deal: Dactylis glomerata woronowii appears to be a grass or grass-like plant, falling into that broad family of monocots that includes our familiar lawn grasses, sedges, and rushes. However, this specific name doesn’t show up in standard botanical references or native plant databases, which raises some red flags.

The base species Dactylis glomerata – commonly known as Orchard Grass – is well-documented. But the subspecific designation woronowii? That’s where things get murky. It’s possible this represents:

  • An outdated or invalid taxonomic name
  • A very localized variety not widely recognized
  • A misidentification or naming error

Geographic Distribution Mystery

Without reliable taxonomic verification, we simply don’t know where this plant naturally occurs or if it’s native to North America. This uncertainty makes it impossible to determine its appropriate role in native landscaping projects.

The Bottom Line for Gardeners

Here’s our honest advice: if you’re considering planting something labeled as Dactylis glomerata woronowii, pump the brakes. Without clear identification and understanding of its native status, invasive potential, and growing requirements, you could be setting yourself up for problems.

Better Alternatives

Instead of gambling on a questionable plant designation, consider these well-documented native grass alternatives:

  • Little Bluestem (Schizachyrium scoparium)
  • Buffalo Grass (Poaceae dactyloides)
  • Purple Needlegrass (Stipa pulchra)
  • Prairie Dropseed (Sporobolus heterolepis)

What Should You Do?

If you’ve encountered this plant name in a nursery, publication, or online source, we’d recommend:

  • Asking for clarification on the exact species and its provenance
  • Requesting verification from botanical authorities
  • Choosing well-documented native alternatives instead
  • Consulting with your local native plant society or extension office

Remember, successful native gardening relies on accurate plant identification and understanding each species’ role in your local ecosystem. When in doubt, it’s always better to stick with plants that have clear native credentials and well-understood growing requirements.

Have you encountered Dactylis glomerata woronowii in your gardening adventures? We’d love to hear about your experience and help solve this botanical mystery together!

Dactylis Glomerata Woronowii

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

Dactylis L. - orchardgrass

Species

Dactylis glomerata L. - orchardgrass

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