North America Native Plant

Brasenia

Botanical name: Brasenia

USDA symbol: BRASE

Life cycle: perennial

Habit: forb

Native status: Native to Alaska âš˜ Native to Canada âš˜ Native to the lower 48 states  

Brasenia: The Native Water Shield That’s Perfect for Your Pond If you’re looking to add a touch of native elegance to your water garden, let me introduce you to brasenia, also known as water shield. This fascinating aquatic perennial might just be the floating beauty your pond has been waiting ...

Brasenia: The Native Water Shield That’s Perfect for Your Pond

If you’re looking to add a touch of native elegance to your water garden, let me introduce you to brasenia, also known as water shield. This fascinating aquatic perennial might just be the floating beauty your pond has been waiting for!

What Makes Brasenia Special?

Brasenia is a truly remarkable native plant that calls much of North America home. As a perennial aquatic species, it’s naturally found floating gracefully on the surface of ponds, lakes, and slow-moving streams. What sets this plant apart is its unique oval leaves that seem to glide effortlessly across the water’s surface, creating a living carpet of green.

The most intriguing feature of brasenia has to be the gelatinous coating on the undersides of its leaves and stems. This slimy substance isn’t just for show – it helps protect the plant from aquatic herbivores and gives it that distinctive, almost otherworldly feel when you touch it.

Where Does Brasenia Call Home?

This native gem has an impressively wide distribution across North America. You’ll find brasenia naturally growing from Alaska down through Canada and throughout most of the lower 48 states, including Alabama, California, Connecticut, Florida, Illinois, Minnesota, Oregon, Texas, and many others. It’s truly a continent-spanning native that has adapted to a variety of climatic conditions.

Why You’ll Love Growing Brasenia

There are several compelling reasons to consider adding brasenia to your water garden:

  • Native credentials: Supporting local ecosystems by choosing native plants
  • Low maintenance: Once established, it requires minimal care
  • Unique texture: The gelatinous coating provides an interesting tactile experience
  • Pollinator support: Small purplish flowers attract beneficial aquatic insects
  • Natural beauty: Creates an authentic pond ecosystem appearance

Perfect for Water Gardens and Natural Ponds

Brasenia shines in water garden settings where you want to create a natural, wild pond aesthetic. It’s ideal for:

  • Naturalistic water gardens
  • Wildlife ponds
  • Native plant water features
  • Larger ornamental ponds where you want floating foliage

The floating leaves provide excellent coverage and help reduce algae by shading the water surface, making it both beautiful and functional.

Growing Conditions and Care

Brasenia is surprisingly adaptable and easy to grow once you understand its needs:

  • Light: Full sun to partial shade (at least 4-6 hours of sunlight)
  • Water depth: Plant containers should be submerged 1-3 feet deep
  • Water type: Still or very slow-moving water
  • Hardiness: Thrives in USDA zones 4-11
  • Soil: Muddy pond bottom or aquatic planting medium

Planting and Care Tips

Getting started with brasenia is easier than you might think:

  • Plant in wide, shallow containers filled with aquatic soil
  • Submerge containers 1-3 feet below the water surface
  • Allow the plant time to establish – it may take a season to really take off
  • Thin occasionally if it becomes too dense
  • No fertilization needed – it gets nutrients from the water
  • Completely dies back in winter in colder zones, returning in spring

Wildlife and Ecosystem Benefits

By choosing brasenia, you’re not just adding beauty to your water garden – you’re creating habitat. The floating leaves provide cover for fish and aquatic creatures, while the flowers support various aquatic insects. It’s a wonderful way to support local wildlife while enjoying a unique and beautiful native plant.

Is Brasenia Right for Your Garden?

Brasenia is an excellent choice if you have a water garden or pond and want to incorporate native plants that support local ecosystems. It’s particularly well-suited for gardeners who appreciate unique textures and natural pond aesthetics. However, keep in mind that it does need permanent water to thrive, so it’s not suitable for gardens without water features.

With its wide native range, low maintenance requirements, and distinctive beauty, brasenia offers water gardeners a chance to grow something truly special while supporting North American native plant communities. Why not give this floating native a try in your pond?

Brasenia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Nymphaeales

Family

Cabombaceae Rich. ex A. Rich. - Water-shield family

Genus

Brasenia Schreb. - brasenia

Species

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