North America Non-native Plant

Stargrass

Botanical name: Cynodon plectostachyus

USDA symbol: CYPL2

Life cycle: perennial

Habit: grass

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Stargrass: What You Need to Know About This Lesser-Known Grass Species If you’ve stumbled across the name stargrass in your plant research, you might be wondering what exactly this grass is all about. Stargrass (Cynodon plectostachyus) is one of those plants that seems to fly under the radar in gardening ...

Stargrass: What You Need to Know About This Lesser-Known Grass Species

If you’ve stumbled across the name stargrass in your plant research, you might be wondering what exactly this grass is all about. Stargrass (Cynodon plectostachyus) is one of those plants that seems to fly under the radar in gardening circles, and there’s a good reason for that – information about this particular species is surprisingly scarce!

The Basics: What Is Stargrass?

Stargrass belongs to the Cynodon genus, which includes some pretty well-known grasses like Bermuda grass. This perennial grass is part of the larger grass family, giving it that classic grass-like appearance we’re all familiar with. However, unlike many of its more famous cousins, Cynodon plectostachyus keeps a much lower profile in the gardening world.

Where Does It Come From?

Here’s where things get interesting (and a bit concerning for native plant enthusiasts): stargrass is not native to the United States. It’s an introduced species that has managed to establish itself and reproduce on its own in the wild. Currently, it’s been documented in California, though its presence may be more limited than other non-native grasses.

Should You Plant Stargrass in Your Garden?

This is where we hit a bit of a wall. With limited information available about stargrass’s specific growing requirements, invasive potential, and ecological impact, it’s hard to give a definitive recommendation either way. What we do know is that it’s a non-native species, which means it won’t provide the same ecological benefits as native plants.

Consider Native Alternatives Instead

Since stargrass offers limited information and uncertain benefits, why not explore some fantastic native grass alternatives? Depending on your location and garden goals, you might consider:

  • Native bunch grasses that provide habitat for local wildlife
  • Regional prairie grasses that support native pollinators
  • Indigenous sedges that offer similar texture with proven ecological value

Your local native plant society or extension office can help you identify the best native grass species for your specific area and garden conditions.

The Mystery Factor

One of the most intriguing things about stargrass is how little we know about it in cultivation. This could mean it’s either a very specialized plant with specific requirements, or it simply hasn’t gained popularity in landscaping circles. Either way, if you’re looking for reliable, well-documented plants for your garden, there are probably better options out there.

Final Thoughts

While stargrass might sound like an interesting addition to your landscape, the lack of available information makes it a bit of a wild card. For most gardeners, especially those interested in supporting local ecosystems, focusing on well-researched native plants will likely give you better results and greater satisfaction.

If you’re determined to learn more about stargrass, consider reaching out to botanical experts or university extension programs – they might have access to more specialized information about this elusive species.

Stargrass

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

Cynodon Rich. - Bermudagrass

Species

Cynodon plectostachyus (K. Schum.) Pilg. - stargrass

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