North America Native Plant

Onespike Paspalum

Botanical name: Paspalum unispicatum

USDA symbol: PAUN

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Synonyms: Panicum unispicatum Scribn. & Merr. (PAUN2)   

Onespike Paspalum: A Lesser-Known Native Texas Grass Worth Discovering If you’re on the hunt for authentic native grasses to enhance your Texas landscape, you might want to get acquainted with onespike paspalum (Paspalum unispicatum). While this perennial grass isn’t exactly a household name in gardening circles, it represents the kind ...

Onespike Paspalum: A Lesser-Known Native Texas Grass Worth Discovering

If you’re on the hunt for authentic native grasses to enhance your Texas landscape, you might want to get acquainted with onespike paspalum (Paspalum unispicatum). While this perennial grass isn’t exactly a household name in gardening circles, it represents the kind of locally adapted plant that can bring genuine ecological value to your outdoor space.

What is Onespike Paspalum?

Onespike paspalum is a native perennial grass that belongs to the large and diverse Paspalum genus. You might occasionally see it listed under its scientific synonym, Panicum unispicatum, in older botanical references. As a true Texas native, this grass has spent countless generations adapting to the unique growing conditions of the Lone Star State.

Where Does It Grow Naturally?

This grass calls Texas home, where it has evolved alongside the state’s diverse ecosystems. As a native species, onespike paspalum plays its part in supporting local wildlife and maintaining the ecological balance that makes Texas landscapes so distinctive.

Why Consider Onespike Paspalum for Your Garden?

Here’s where things get a bit tricky – and honest. Onespike paspalum is one of those native plants that hasn’t received much attention from gardeners or even botanical researchers. While this might make some gardeners hesitant, it actually presents an opportunity for adventurous native plant enthusiasts.

Here are some potential reasons to consider this native grass:

  • It’s authentically native to Texas, supporting local ecosystems
  • As a perennial, it offers long-term garden value once established
  • Native grasses typically require less water and maintenance than non-native alternatives
  • It contributes to biodiversity in your landscape

Growing Onespike Paspalum Successfully

Here’s where we need to be upfront: detailed growing information for onespike paspalum is surprisingly scarce. This grass appears to be either quite rare in cultivation or simply understudied. However, we can make some educated guesses based on its native status and the growing conditions of related Paspalum species.

General Growing Guidance

Since onespike paspalum is native to Texas, it’s likely adapted to:

  • Hot, humid summers and mild winters typical of much of Texas
  • Well-draining soils, possibly sandy or clay-based
  • Full sun to partial shade conditions
  • Periodic drought conditions

The Reality Check

If you’re hoping to add onespike paspalum to your garden, you might face some challenges. This grass isn’t commonly available in nurseries, and detailed cultivation information is limited. You might need to:

  • Contact native plant societies or botanical gardens in Texas
  • Look for specialized native grass suppliers
  • Consider seed collection from wild populations (with proper permissions)

Alternative Native Texas Grasses

If onespike paspalum proves elusive, consider these well-documented native Texas grasses that offer similar ecological benefits:

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

The Bottom Line

Onespike paspalum represents the fascinating world of lesser-known native plants that might hold untapped potential for sustainable gardening. While it’s not the easiest plant to source or grow due to limited available information, it offers the appeal of authentic local heritage and ecological authenticity.

If you’re an experienced native plant gardener looking for something truly unique to your region, onespike paspalum might be worth the detective work. For most gardeners, however, starting with better-documented native Texas grasses and working up to the rare finds like onespike paspalum makes more practical sense.

Sometimes the most rewarding plants are the ones that make us work a little harder to understand and appreciate them. Onespike paspalum certainly fits that description.

Onespike Paspalum

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

Paspalum L. - crowngrass

Species

Paspalum unispicatum (Scribn. & Merr.) Nash - onespike paspalum

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