North America Non-native Plant

Kleberg’s Bluestem

Botanical name: Dichanthium annulatum

USDA symbol: DIAN

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 âš˜ Non-native, reproduces and persists in the wild in Puerto Rico  

Kleberg’s Bluestem: A Hardy Non-Native Grass for Challenging Sites If you’re dealing with a tricky spot in your landscape where other plants seem to struggle, you might have come across Kleberg’s bluestem (Dichanthium annulatum) in your research. This perennial grass has made quite a name for itself in certain parts ...

Kleberg’s Bluestem: A Hardy Non-Native Grass for Challenging Sites

If you’re dealing with a tricky spot in your landscape where other plants seem to struggle, you might have come across Kleberg’s bluestem (Dichanthium annulatum) in your research. This perennial grass has made quite a name for itself in certain parts of the United States, though it’s not originally from here. Let’s dive into what makes this grass tick and whether it might be right for your garden.

What Is Kleberg’s Bluestem?

Kleberg’s bluestem is a perennial grass that belongs to the graminoid family – basically, it’s a true grass with all the characteristics you’d expect. This warm-season grass produces slender stems and delicate seed heads that sway gently in the breeze. While it won’t win any beauty contests compared to some of our showier native grasses, it has a understated charm that works well in naturalized settings.

The Not-So-Native Story

Here’s something important to know upfront: Kleberg’s bluestem isn’t a native plant. Originally from tropical and subtropical regions of Asia, Africa, and Australia, this grass has established itself in several U.S. locations where it now reproduces on its own. You’ll find it growing wild in Hawaii, Louisiana, Texas, and Puerto Rico, where it has adapted quite well to local conditions.

Garden Role and Landscape Use

So where might Kleberg’s bluestem fit in your landscape? This grass really shines in challenging situations where you need something tough and reliable. It’s particularly useful for:

  • Erosion control on slopes and banks
  • Low-maintenance groundcover in naturalized areas
  • Difficult sites where other plants struggle
  • Areas where you want a simple, undemanding grass

Don’t expect this grass to be the star of your ornamental garden, though. It’s more of a workhorse than a show-stopper.

Growing Conditions and Care

One of Kleberg’s bluestem’s biggest selling points is its adaptability. This grass thrives in USDA hardiness zones 8-11, making it suitable for warmer climates. It loves full sun and, once established, can handle drought conditions pretty well. The grass isn’t particularly picky about soil types either, though it does best with good drainage.

As for care, this is where things get refreshingly simple. Kleberg’s bluestem is remarkably low-maintenance once it gets going. It spreads naturally through underground rhizomes, gradually filling in areas. You might want to give it an occasional mowing to keep it tidy, but that’s about it for regular maintenance.

Wildlife and Pollinator Considerations

Being a wind-pollinated grass, Kleberg’s bluestem doesn’t offer much in the way of nectar or pollen for our buzzing friends. If you’re looking to support pollinators, you’ll want to complement this grass with flowering native plants that provide the resources bees, butterflies, and other pollinators need.

Should You Plant It?

The decision to plant Kleberg’s bluestem really comes down to your specific needs and philosophy about native plants. While it’s not invasive or problematic, it’s also not contributing to local ecosystems the way native grasses would. If you’re dealing with a challenging site and need something that just works, it could be a practical choice.

However, before you settle on this non-native option, consider exploring native grass alternatives that might serve the same purpose while supporting local wildlife and maintaining ecological integrity. Many regions have native grasses that are equally tough and much more beneficial to local ecosystems.

The Bottom Line

Kleberg’s bluestem is a reliable, low-maintenance grass that can handle tough conditions where other plants might fail. While it’s not going to dazzle anyone with its beauty or provide significant ecological benefits, it does have a place in landscapes where practicality trumps all other considerations. Just remember that choosing native alternatives when possible is always the more environmentally friendly option for supporting local wildlife and maintaining healthy ecosystems.

How

Kleberg’s Bluestem

Grows

Growing season

Spring and Summer

Lifespan

Moderate

Growth form & shape

Colonizing and Semi-Erect

Growth rate

Rapid

Height at 20 years
Maximum height

3.0

Foliage color

Green

Summer foliage density

Moderate

Winter foliage density

Moderate

Foliage retention

No

Flowering

No

Flower color

Yellow

Fruit/seeds

No

Fruit/seed color

Black

Allelopath

No

Nitrogen fixing

None

Toxic

None

C:N Ratio

Medium

Fire Resistant

Yes

Foliage Texture

Fine

Low-growing Grass

Yes

Resproutability

No

Coppice Ability

No

Bloat

None

Kleberg’s Bluestem

Growing Conditions

Adapted to Coarse Soil

Yes

Adapted to Medium Soil

Yes

Adapted to Fine Soil

Yes

Anaerobic tolerance

None

CaCO₃ tolerance

Low

Cold Stratification

No

Drought tolerance

Low

Nutrient requirement

High

Fire tolerance

High

Frost-free days minimum

120

Hedge tolerance

None

Moisture requirement

Medium

pH range

5.5 to 7.0

Plants per acre
Precipitation range (in)

24 to 60

Min root depth (in)

18

Salt tolerance

Low

Shade tolerance

Intolerant

Min temperature (F)

17

Cultivating

Kleberg’s Bluestem

Flowering season

Late Spring

Commercial availability

Routinely Available

Fruit/seed abundance

High

Fruit/seed season

Spring to Fall

Fruit/seed persistence

No

Propagated by bare root

No

Propagated by bulb

No

Propagated by container

No

Propagated by corm

No

Propagated by cuttings

No

Propagated by seed

Yes

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound

1409000

Seed spread rate

Moderate

Seedling vigor

High

Small grain

No

Vegetative spread rate

Rapid

Kleberg’s Bluestem

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

Dichanthium Willem. - bluestem

Species

Dichanthium annulatum (Forssk.) Stapf - Kleberg's bluestem

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