North America Native Plant

Willkommia

Botanical name: Willkommia

USDA symbol: WILLK

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Willkommia: The Mystery Native Grass of the Southern Plains If you’ve stumbled upon the name willkommia in your quest for native plants, you’ve discovered one of the more elusive members of the grass family. This perennial native grass might not be filling up your local nursery shelves anytime soon, but ...

Willkommia: The Mystery Native Grass of the Southern Plains

If you’ve stumbled upon the name willkommia in your quest for native plants, you’ve discovered one of the more elusive members of the grass family. This perennial native grass might not be filling up your local nursery shelves anytime soon, but it’s worth understanding what makes this little-known species unique.

What is Willkommia?

Willkommia is a native perennial grass that belongs to the broader family of graminoids – that diverse group that includes true grasses, sedges, rushes, and their grass-like relatives. As a perennial, it returns year after year, establishing itself as a permanent fixture in its natural habitat.

Where Does Willkommia Call Home?

This native grass has a rather exclusive address, naturally occurring in just two states: Oklahoma and Texas. Its limited geographic range makes it a true regional specialty of the southern Great Plains.

The Challenge of Growing Willkommia

Here’s where things get a bit tricky for the enthusiastic native plant gardener. Willkommia falls into that category of plants that botanists know exist, but gardeners rarely encounter. There’s limited information available about:

  • Specific growing conditions and soil preferences
  • Mature size and growth habits
  • Cultivation requirements and care tips
  • Availability through nurseries or seed suppliers
  • Specific wildlife and pollinator benefits

Should You Try to Grow Willkommia?

While the adventurous spirit in every native plant enthusiast might be intrigued by this mystery grass, the practical reality is that Willkommia isn’t readily available for home cultivation. Without clear growing guidelines, hardiness zone information, or reliable sources, it’s not the most practical choice for your native garden.

Better Native Grass Alternatives

If you’re drawn to native grasses for your Oklahoma or Texas landscape, consider these well-documented alternatives that offer similar regional authenticity:

  • Little bluestem (Schizachyrium scoparium)
  • Buffalo grass (Poaceae dactyloides)
  • Blue grama (Bouteloua gracilis)
  • Eastern gamagrass (Tripsacum dactyloides)

These native grasses are not only well-suited to southern Plains conditions but also come with established growing guides, reliable sources, and documented wildlife benefits.

The Bigger Picture

Willkommia serves as a reminder that our native flora includes countless species – some well-known garden stars and others that remain botanical mysteries. While we may not be planting willkommia in our gardens anytime soon, its existence contributes to the rich tapestry of native biodiversity in Oklahoma and Texas.

For now, if you’re passionate about supporting native plants in the southern Plains, focus on the many wonderful, well-documented native species that are readily available. Your local native plant society or extension office can guide you toward the best regional choices that will thrive in your specific conditions while supporting local wildlife.

Willkommia

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

Willkommia Hack. - willkommia

Species

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