North America Non-native Plant

Paspalum Tenellum

Botanical name: Paspalum tenellum

USDA symbol: PATE19

Habit: grass

Native status: Not native but doesn't reproduce and persist in the wild

Paspalum tenellum: The Mystery Grass Worth Knowing About If you’ve stumbled across the name Paspalum tenellum in your plant research, you’re not alone in wondering what exactly is this grass? This member of the Poaceae (grass) family represents one of those botanical mysteries that keeps plant enthusiasts scratching their heads ...

Paspalum tenellum: The Mystery Grass Worth Knowing About

If you’ve stumbled across the name Paspalum tenellum in your plant research, you’re not alone in wondering what exactly is this grass? This member of the Poaceae (grass) family represents one of those botanical mysteries that keeps plant enthusiasts scratching their heads – we know it exists, but details about growing and using it in gardens remain frustratingly elusive.

What We Know About This Enigmatic Grass

Paspalum tenellum belongs to the large Paspalum genus, which includes many important forage and ornamental grasses. Like its better-known relatives, this species is a true grass with the characteristic growth habits you’d expect from the family. However, unlike popular landscape grasses such as fountain grass or ornamental sedges, P. tenellum hasn’t made its way into mainstream horticulture – and there might be good reasons for that.

The Challenge of Growing the Unknown

Here’s where things get tricky for gardeners. While we can confirm that Paspalum tenellum is indeed a grass species, reliable information about its:

  • Native range and distribution
  • Preferred growing conditions
  • Size and appearance characteristics
  • Hardiness zones
  • Garden performance

…remains largely undocumented in standard horticultural references. This isn’t necessarily unusual – the plant world contains thousands of species that simply haven’t been studied for garden use or may have very limited natural distributions.

Should You Try Growing It?

The honest answer? Probably not, unless you’re a dedicated grass collector or botanical researcher. Without knowing basic information like whether it’s native to your region, its growth requirements, or even its mature size, you’d essentially be conducting an experiment in your garden.

Instead, consider these well-documented native grass alternatives that offer proven garden performance:

  • Buffalo grass (Poaceae species native to your region)
  • Little bluestem (Schizachyrium scoparium)
  • Native sedges (Carex species)
  • Regional Paspalum species with known cultivation requirements

The Bigger Picture

Paspalum tenellum serves as a reminder that our botanical world still holds mysteries. While this particular species might not be destined for your garden border, its existence highlights the incredible diversity within grass families and the ongoing work botanists do to catalog and understand plant species worldwide.

If you’re specifically interested in Paspalum grasses, stick with better-known species that have established track records in cultivation. Your garden (and your success rate) will thank you for choosing plants with proven performance and available growing guidance.

The Bottom Line

Sometimes the most honest gardening advice is admitting when we don’t have enough information to make recommendations. Paspalum tenellum falls into that category – intriguing in name, but lacking the documented characteristics needed for confident cultivation advice. For most gardeners, this one is better left to the botanists and researchers who specialize in grass taxonomy.

Paspalum Tenellum

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 tenellum Willd.

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