North America Native Plant

Brazilian Watergrass

Botanical name: Luziola bahiensis

USDA symbol: LUBA2

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Synonyms: Luziola alabamensis Chapm. (LUAL17)   

Brazilian Watergrass: A Native Wetland Gem for Specialized Gardens If you’re looking to create an authentic wetland garden or restore a marshy area on your property, Brazilian watergrass (Luziola bahiensis) might be exactly what you need. This unassuming native grass may not win any beauty contests, but it plays a ...

Brazilian Watergrass: A Native Wetland Gem for Specialized Gardens

If you’re looking to create an authentic wetland garden or restore a marshy area on your property, Brazilian watergrass (Luziola bahiensis) might be exactly what you need. This unassuming native grass may not win any beauty contests, but it plays a crucial role in southeastern wetland ecosystems and could be the perfect addition to your water-loving plant collection.

What is Brazilian Watergrass?

Brazilian watergrass is a perennial grass native to the southeastern United States. Despite its common name suggesting South American origins, this species is actually a homegrown treasure that has been quietly doing important ecological work in our wetlands for centuries. You might also find it referenced by its scientific synonym, Luziola alabamensis, in older botanical literature.

Where Does It Naturally Grow?

This specialized grass calls the Gulf Coast region home, naturally occurring in Alabama, Florida, and Mississippi. It’s perfectly adapted to the warm, humid conditions and seasonal flooding patterns of this region’s coastal plains and wetland areas.

Why Consider Brazilian Watergrass for Your Garden?

Let’s be honest – Brazilian watergrass isn’t going to be the star of your ornamental garden. But if you have wet, soggy areas where other plants struggle, or if you’re passionate about native plant gardening and wetland restoration, this grass has some compelling qualities:

  • True native species supporting local ecosystems
  • Excellent for erosion control in wet areas
  • Thrives in conditions that challenge most garden plants
  • Low maintenance once established
  • Important habitat component for wetland wildlife

What Kind of Garden is This Right For?

Brazilian watergrass isn’t for everyone, and that’s perfectly okay! This plant shines in very specific situations:

  • Wetland restoration projects
  • Rain gardens and bioswales
  • Pond and stream margins
  • Native plant preserves
  • Areas with consistently wet or saturated soils

If you’re dreaming of a traditional flower border or drought-tolerant landscape, you’ll want to look elsewhere. This grass demands wet feet and won’t forgive dry conditions.

Growing Conditions and Care

As an obligate wetland plant, Brazilian watergrass has very specific requirements that you absolutely must meet for success:

Moisture: This grass needs consistently wet to saturated soil conditions. Think squishy when you walk on it rather than moist but well-draining.

Sun/Shade: Full sun to partial shade works well, though it typically performs best with at least 6 hours of direct sunlight.

Soil: Adaptable to various wet soil types, from sandy to clayey, as long as moisture levels remain high.

Climate: Hardy in USDA zones 8-10, matching its native southeastern range.

Planting and Care Tips

Successfully growing Brazilian watergrass is all about understanding its wetland nature:

  • Plant in spring after the last frost when water temperatures are warming
  • Ensure planting site remains consistently wet year-round
  • No fertilization needed – wetland soils typically provide adequate nutrition
  • Allow natural dormancy in winter; new growth will emerge in spring
  • Minimal pest or disease issues when grown in appropriate conditions

Wildlife and Ecological Benefits

While specific wildlife data for Brazilian watergrass is limited, wetland grasses like this one typically provide important habitat functions. They offer nesting sites for wetland birds, shelter for small wildlife, and contribute to the complex food web that makes wetland ecosystems so valuable.

The Bottom Line

Brazilian watergrass isn’t a plant for every gardener, but for the right situation, it’s invaluable. If you have wet areas on your property that you want to manage with native plants, or if you’re involved in wetland restoration work, this humble grass deserves serious consideration. Just remember – success depends entirely on providing the consistently wet conditions this specialized plant demands.

Before adding Brazilian watergrass to your garden, make sure you can commit to its water requirements. A half-hearted attempt will only lead to disappointment for both you and the plant!

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

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Brazilian Watergrass

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

Luziola Juss. - watergrass

Species

Luziola bahiensis (Steud.) Hitchc. - Brazilian watergrass

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