North America Native Plant

Subtropical Common Reed

Botanical name: Phragmites australis berlandieri

USDA symbol: PHAUB2

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states âš˜ Probably native to Puerto Rico  

Subtropical Common Reed: A Native Grass Worth Knowing Meet the subtropical common reed (Phragmites australis berlandieri), a native perennial grass that’s been quietly growing across the American landscape long before any of us started thinking about native gardening. While its more famous cousin, the common reed, often gets a bad ...

Subtropical Common Reed: A Native Grass Worth Knowing

Meet the subtropical common reed (Phragmites australis berlandieri), a native perennial grass that’s been quietly growing across the American landscape long before any of us started thinking about native gardening. While its more famous cousin, the common reed, often gets a bad rap for being invasive, this particular subspecies tells a different story entirely.

What Makes This Reed Special?

The subtropical common reed belongs to that wonderful world of grasses and grass-like plants that form the backbone of many ecosystems. As a perennial, it’s in it for the long haul, coming back year after year once established. Think of it as the reliable friend in your garden community – not flashy, but dependable.

Where Does It Call Home?

This native beauty has quite the geographic spread across the United States. You’ll find subtropical common reed growing naturally in Alabama, Arizona, California, Florida, Louisiana, New Mexico, and Texas, with populations also thriving in Puerto Rico. It’s particularly well-suited to subtropical and warm temperate regions, which explains its common name.

Should You Plant It in Your Garden?

Here’s where things get a bit tricky – and honestly, pretty fascinating from a native plant perspective. While subtropical common reed is undeniably native to a large swath of the country, detailed information about its garden performance, growing requirements, and landscape applications remains surprisingly scarce in horticultural literature.

This information gap doesn’t necessarily mean it’s not garden-worthy, but it does mean you’ll be somewhat pioneering if you choose to grow it. Some gardeners love this kind of adventure, while others prefer plants with well-documented track records.

The Growing Reality Check

Unfortunately, specific cultivation information for Phragmites australis berlandieri is limited. What we do know is that, like most reeds, it likely prefers:

  • Moist to wet soil conditions
  • Full sun to partial shade
  • Space to spread (reeds aren’t known for staying put)

The exact USDA hardiness zones, mature size, and specific care requirements remain unclear from available sources, which makes planning a garden around this plant challenging.

The Bottom Line for Gardeners

Subtropical common reed presents an interesting case study in native plant gardening. While it’s definitely native and likely plays important ecological roles in its natural habitats, the lack of detailed horticultural information makes it a questionable choice for most home gardens.

If you’re in its native range and feeling experimental, you might consider trying it in a naturalized area where it can do its own thing without too much management. However, for most gardeners, there are plenty of well-documented native grasses and sedges that will give you more predictable results.

Consider alternatives like native bunch grasses, sedges, or rushes that are better studied and more readily available from native plant nurseries. These options will give you the ecological benefits of native plants with the added bonus of knowing what you’re getting into.

A Final Thought

Sometimes the most interesting native plants are the ones that remain a bit mysterious. Subtropical common reed reminds us that there’s still so much to learn about our native flora, and perhaps that’s part of what makes native gardening such an ongoing adventure.

Subtropical Common Reed

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

Phragmites Adans. - reed

Species

Phragmites australis (Cav.) Trin. ex Steud. - common reed

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