North America Native Plant

Hartweg’s Paspalum

Botanical name: Paspalum hartwegianum

USDA symbol: PAHA3

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Synonyms: Paspalum alcalinum Mez (PAAL28)   

Hartweg’s Paspalum: A Native Texas Grass Worth Getting to Know If you’re looking to add some authentic Texas charm to your landscape, Hartweg’s paspalum (Paspalum hartwegianum) might just be the unsung hero your garden needs. This perennial native grass may not win any flashy flower contests, but it brings something ...

Hartweg’s Paspalum: A Native Texas Grass Worth Getting to Know

If you’re looking to add some authentic Texas charm to your landscape, Hartweg’s paspalum (Paspalum hartwegianum) might just be the unsung hero your garden needs. This perennial native grass may not win any flashy flower contests, but it brings something special to the table – authentic regional character and low-maintenance reliability.

What Exactly is Hartweg’s Paspalum?

Hartweg’s paspalum is a native perennial grass that calls Texas home. You might also see it listed under its synonym, Paspalum alcalinum, in older botanical references. As a member of the grass family, it’s what botanists call a graminoid – basically a fancy way of saying it’s a grass or grass-like plant that includes true grasses, sedges, and rushes.

Where Does It Naturally Grow?

This humble grass is a true Texan, naturally occurring throughout the Lone Star State. While its range is primarily concentrated in Texas, it represents an important piece of the state’s native plant heritage. If you live in Texas and want to garden with plants that truly belong in your landscape, Hartweg’s paspalum deserves serious consideration.

The Appeal of Going Native

So why choose Hartweg’s paspalum over the dozens of other grass options at your local garden center? Here’s where this native grass really shines:

  • It’s perfectly adapted to Texas conditions, meaning less fussing with watering and fertilizing
  • Forms attractive, fine-textured tufts that add natural movement to landscapes
  • Provides authentic regional character that connects your garden to the local ecosystem
  • Offers habitat structure for small wildlife, even if it’s not a major pollinator magnet

Where Does Hartweg’s Paspalum Fit in Your Landscape?

This grass works beautifully in naturalized landscapes and native plant gardens. It’s particularly well-suited for areas where you want that wild Texas look without the maintenance headaches of high-demand ornamental grasses. Think of it as nature’s own ground cover – subtle, authentic, and surprisingly attractive when you give it a chance to shine.

Hartweg’s paspalum is also an excellent choice for wetland restoration projects or rain gardens, thanks to its facultative wetland status. This means it’s equally happy in wet conditions or slightly drier spots, making it quite versatile for different landscape situations.

Growing Conditions and Care

Here’s where Hartweg’s paspalum really wins you over – it’s refreshingly low-maintenance. This grass thrives in USDA hardiness zones 9-10, which aligns perfectly with its Texas heritage.

For optimal growth, provide:

  • Full sun to partial shade (it’s quite adaptable)
  • Moist to wet soils, though it can handle some variation
  • Minimal fertilization – this native knows how to make do with what nature provides

Planting and Care Tips

The beauty of native plants like Hartweg’s paspalum lies in their simplicity. Once established, this grass pretty much takes care of itself. Plant it in spring when soil temperatures warm up, give it some water during its first growing season to help roots establish, and then step back and let it do its thing.

Because it has facultative wetland status in both the Atlantic and Gulf Coastal Plain and Great Plains regions, it’s particularly forgiving about moisture levels. Whether your garden tends toward soggy or just occasionally moist, this adaptable grass can work with your conditions.

Should You Plant Hartweg’s Paspalum?

If you live in Texas and appreciate the subtle beauty of native landscapes, absolutely! This grass might not make bold design statements, but it brings authenticity and ecological appropriateness to your garden. It’s perfect for gardeners who want to support local ecosystems while enjoying a landscape that feels naturally connected to the surrounding environment.

For gardeners outside of Texas, you might want to explore native grass options specific to your region instead. Every area has its own wonderful native grasses that offer similar benefits while being perfectly adapted to local conditions.

Hartweg’s paspalum proves that sometimes the most rewarding plants aren’t the showiest ones – they’re the ones that quietly, reliably bring authentic character to your landscape while asking for very little in return.

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

Atlantic and Gulf Coastal Plain

FACW

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

Great Plains

FACW

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

Hartweg’s 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 hartwegianum Fourn. - Hartweg's paspalum

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