North America Non-native Plant

Kleingrass

Botanical name: Panicum coloratum

USDA symbol: PACO2

Life cycle: perennial

Habit: grass

Native status: Non-native, reproduces and persists in the wild in Hawaii âš˜ Non-native, reproduces and persists in the wild in the lower 48 states  

Kleingrass: A Drought-Tough Grass for Challenging Landscapes If you’re battling dry conditions and poor soil in your landscape, you might want to get acquainted with kleingrass (Panicum coloratum). This hardy perennial grass has made quite a name for itself in the southwestern United States, though it’s not exactly a native ...

Kleingrass: A Drought-Tough Grass for Challenging Landscapes

If you’re battling dry conditions and poor soil in your landscape, you might want to get acquainted with kleingrass (Panicum coloratum). This hardy perennial grass has made quite a name for itself in the southwestern United States, though it’s not exactly a native success story.

What Exactly is Kleingrass?

Kleingrass is a bunch-forming perennial grass that originally hails from Africa. Don’t let its foreign origins fool you though – this grass has adapted remarkably well to life in the American Southwest. It’s part of the panic grass family and grows in distinctive clumps rather than spreading like a lawn grass.

With its fine-textured green foliage and semi-erect growth habit, kleingrass can reach heights of about 3.5 feet when mature. The plant produces small yellow flowers in late spring, though they’re not particularly showy – this grass is more about function than flash.

Where Does Kleingrass Grow?

Currently, you’ll find kleingrass established in Hawaii, New Mexico, and Texas. As a non-native species, it has naturalized in these areas and reproduces on its own without human intervention.

The Good, The Bad, and The Practical

Let’s be honest about kleingrass – it’s not going to win any beauty contests, but it excels where many other plants give up entirely. Here’s what makes it both appealing and concerning:

Why You Might Want It:

  • Exceptional drought tolerance once established
  • Rapid growth rate and quick establishment
  • Tolerates poor, alkaline soils (pH 6.5-8.5)
  • High salt tolerance
  • Excellent for erosion control on slopes
  • Requires minimal maintenance
  • Dense summer foliage provides good coverage

Why You Might Think Twice:

  • Not native to North America
  • Limited wildlife and pollinator benefits
  • Can look sparse in winter (foliage becomes porous)
  • Slightly toxic to livestock
  • No significant aesthetic appeal

Growing Conditions and Care

Kleingrass is refreshingly low-maintenance once you understand its preferences. This grass thrives in hot climates and needs at least 190 frost-free days per year, making it suitable for USDA hardiness zones 8-11.

Soil Requirements:

  • Adapts well to medium and fine-textured soils
  • Requires good drainage (low tolerance for waterlogged conditions)
  • Prefers pH between 6.5 and 8.5
  • Tolerates salty soils

Water and Climate Needs:

  • Annual precipitation range: 19-36 inches
  • High drought tolerance once established
  • Cannot tolerate shade – needs full sun
  • Medium moisture use during growing season

Planting and Establishment

Getting kleingrass started is straightforward, though you’ll want to plan for its rapid growth. Seeds are readily available commercially and there are about 490,000 seeds per pound – a little goes a long way!

Plant seeds in late spring when soil temperatures are warm. The grass has high seedling vigor and establishes quickly with adequate moisture during the first growing season. After that, you can mostly let nature take its course.

Landscape Uses

Kleingrass isn’t your typical ornamental grass, but it has its place in certain landscape situations:

  • Erosion control on slopes and banks
  • Naturalized areas in xeriscaping
  • Background plantings in drought-tolerant gardens
  • Temporary groundcover while establishing other plants
  • Utility areas where low maintenance is key

Wetland Considerations

Interestingly, kleingrass has different wetland classifications depending on where you are. In the Arid West and Atlantic Gulf Coastal Plain, it’s considered a facultative wetland plant, meaning it usually grows in wetlands but can handle drier sites. In the Great Plains, it’s simply facultative – equally at home in wet or dry conditions.

Consider Native Alternatives

While kleingrass certainly has its merits, you might want to explore native grass options that provide similar benefits while supporting local ecosystems. Some excellent native alternatives include:

  • Buffalo grass (Poëa dactyloides) for drought tolerance
  • Blue grama (Bouteloua gracilis) for erosion control
  • Sideoats grama (Bouteloua curtipendula) for slopes
  • Little bluestem (Schizachyrium scoparium) for naturalized areas

The Bottom Line

Kleingrass is a workhorse grass that excels in tough conditions where few other plants survive. While it may not be native, it’s not considered invasive and can serve a practical purpose in challenging landscapes. If you need quick erosion control, drought tolerance, and minimal maintenance in zones 8-11, kleingrass might fit the bill. Just remember that native grasses often provide better wildlife habitat and ecosystem benefits, so consider those options first if they’ll work in your specific situation.

Whether you choose kleingrass or a native alternative, the key is selecting the right plant for your specific site conditions and landscape goals. Sometimes the most practical choice isn’t the prettiest, but it gets the job done!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Atlantic and Gulf Coastal Plain

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Great Plains

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Kleingrass

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

Panicum L. - panicgrass

Species

Panicum coloratum L. - kleingrass

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