North America Native Plant

Ozark Grass

Botanical name: Limnodea

USDA symbol: LIMNO2

Life cycle: annual

Habit: grass

Native status: Native to the lower 48 states  

Ozark Grass: A Delicate Native Annual for Specialized Gardens If you’re diving deep into the world of native grasses, you might stumble upon Ozark grass (Limnodea), a charming little annual that’s more of a specialist than a showstopper. This fine-textured native grass won’t win any beauty contests, but it plays ...

Ozark Grass: A Delicate Native Annual for Specialized Gardens

If you’re diving deep into the world of native grasses, you might stumble upon Ozark grass (Limnodea), a charming little annual that’s more of a specialist than a showstopper. This fine-textured native grass won’t win any beauty contests, but it plays an important role in certain ecosystems and could be just what your native plant restoration project needs.

What Exactly Is Ozark Grass?

Ozark grass is an annual graminoid – basically a fancy way of saying it’s a grass or grass-like plant that completes its entire life cycle in one growing season. Don’t expect towering prairie grass vibes here; this is more of a delicate, understated character that prefers to blend into the background rather than steal the spotlight.

Where Does It Call Home?

This native gem is proudly American, specifically calling the southeastern and south-central United States home. You’ll find Ozark grass naturally growing across Alabama, Arkansas, Florida, Louisiana, Mississippi, Oklahoma, South Carolina, and Texas. It’s perfectly adapted to the climate and growing conditions of these regions.

Should You Plant Ozark Grass in Your Garden?

Here’s the honest truth: Ozark grass isn’t for everyone or every garden. But if you fall into certain categories, it might be exactly what you’re looking for:

  • You’re working on a native plant restoration project
  • You’re reconstructing prairie or grassland habitat
  • You want to create a truly authentic regional landscape
  • You’re a native plant enthusiast who loves collecting unusual species

However, if you’re looking for dramatic curb appeal or a low-maintenance ornamental grass for your typical home landscape, you might want to consider other native options with more visual impact.

Growing Conditions and Care

Ozark grass is surprisingly specific about its living conditions. Here’s what makes it happy:

  • Sunlight: Full sun to partial shade
  • Soil: Prefers moist to wet soils – this isn’t a drought-tolerant option
  • Hardiness zones: Best suited for USDA zones 7-10
  • Water needs: Consistent moisture is key

Planting and Maintenance Tips

Since Ozark grass is an annual, you’ll need to replant it each year unless you’re lucky enough to get natural reseeding:

  • Direct seed in fall or early spring for best results
  • Minimal maintenance required once established
  • Allow plants to go to seed if you want natural reseeding
  • Works well when planted in combination with other native grasses and wildflowers

Wildlife and Ecological Benefits

While Ozark grass won’t attract butterflies like a showy wildflower would, it does contribute to the ecosystem in its own quiet way. As a native grass, it provides habitat structure and food sources for various small wildlife species and helps maintain the genetic diversity of native plant communities.

The Bottom Line

Ozark grass is definitely a niche player in the native plant world. It’s perfect for serious native plant enthusiasts, restoration projects, and anyone looking to recreate authentic southeastern grassland habitats. However, if you’re new to native gardening or looking for more ornamental appeal, you might want to start with showier native grasses and work your way up to the subtle specialists like Ozark grass.

Remember, every native plant has its place in the ecosystem – even the quiet, unassuming ones like Limnodea that prefer to let others take the spotlight while they do their important work behind the scenes.

Ozark Grass

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

Limnodea L.H. Dewey - Ozark grass

Species

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