Non-native Plants

Peacock Sprangletop

Leptochloa decipiens peacockii

USDA symbol: LEDEP2

perennial grass

Lower 48 states: non-native, naturalized

If you’ve stumbled across the name peacock sprangletop (Leptochloa decipiens peacockii), you might be wondering what this grass is all about and whether it belongs in your garden. This perennial grass has an intriguing name that suggests something showy, but the reality is quite different – this is actually a ...

Peacock Sprangletop: A Lesser-Known Grass with Limited Garden Information

If you’ve stumbled across the name peacock sprangletop (Leptochloa decipiens peacockii), you might be wondering what this grass is all about and whether it belongs in your garden. This perennial grass has an intriguing name that suggests something showy, but the reality is quite different – this is actually a plant with very limited documentation and garden use.

What is Peacock Sprangletop?

Peacock sprangletop is a perennial grass that belongs to the large family of grasses, sedges, and similar grass-like plants. Despite its colorful common name, this isn’t a plant you’re likely to find at your local nursery or featured in garden magazines. It’s also known by the botanical synonym Diplachne peacockii Maiden & Betche, which gives us a clue about its taxonomic history.

Native Status and Distribution

Here’s where things get interesting – peacock sprangletop is not a native plant to North America. It’s classified as a non-native species that has been introduced and now reproduces spontaneously in the wild without human assistance. Currently, it’s documented in just two states: Mississippi and South Carolina.

  • Species observed
  • No observations

Should You Plant Peacock Sprangletop?

This is where we need to pump the brakes a bit. While peacock sprangletop isn’t currently listed as invasive or noxious, there’s very little information available about this particular plant’s behavior in gardens, its growing requirements, or its ecological impact. When a non-native plant has such limited documentation, it’s usually a sign that it’s either very rare in cultivation or simply not worth growing.

Better Native Alternatives

Instead of taking a chance on this mysterious grass, consider these native alternatives that will provide known benefits to your garden and local wildlife:

  • Little bluestem (Schizachyrium scoparium) – A gorgeous native grass with stunning fall color
  • Buffalo grass (Bouteloua dactyloides) – Perfect for low-maintenance lawns in suitable climates
  • Purple lovegrass (Eragrostis spectabilis) – Creates beautiful, airy texture in the landscape
  • Switchgrass (Panicum virgatum) – Excellent for wildlife habitat and erosion control

The Bottom Line

While peacock sprangletop might sound like an exciting addition to your garden, the lack of available information about its growing requirements, garden performance, and potential ecological impact makes it a risky choice. Since it’s non-native and we don’t know its invasive potential, it’s better to stick with well-documented native grasses that will provide known benefits to both your garden and local ecosystem.

If you’re specifically interested in this plant for research purposes or have encountered it in the wild, consider reaching out to your local extension office or native plant society for more guidance. They might have regional knowledge that isn’t widely available online.

Leptochloa decipiens peacockii is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Leptochloa decipiens peacockii is also known as:

Diplachne peacockii Maiden & | USDA symbol: DIPE10

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Monocot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Monocotyledons
Subclass: Commelinidae
Order: Cyperales
Family: Poaceae Barnhart - Grass family
Genus: Leptochloa P. Beauv. - sprangletop

Species: Leptochloa decipiens (R. Br.) Stapf ex Maiden - Australian sprangletop

Subspecies: Leptochloa decipiens (R. Br.) Stapf ex Maiden ssp. peacockii (Maiden & Betche) N. Snow - peacock sprangletop

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