North America Native Plant

Algal Bulrush

Botanical name: Websteria confervoides

USDA symbol: WECO

Life cycle: perennial

Habit: grass

Native status: Native to the lower 48 states  

Synonyms: Eleocharis confervoides (Poir.) G. Tucker (ELCO10)  âš˜  Scirpus confervoides Poir. (SCCO15)  âš˜  Websteria submersa (Sauvalle) Britton (WESU)   

Algal Bulrush: A Native Wetland Gem for Water Gardens If you’re looking to create an authentic wetland habitat in your garden, you might want to get acquainted with algal bulrush (Websteria confervoides). This intriguing native plant brings a touch of wild wetland beauty to specialized water gardens, though it’s definitely ...

Algal Bulrush: A Native Wetland Gem for Water Gardens

If you’re looking to create an authentic wetland habitat in your garden, you might want to get acquainted with algal bulrush (Websteria confervoides). This intriguing native plant brings a touch of wild wetland beauty to specialized water gardens, though it’s definitely not your typical backyard perennial.

What Exactly Is Algal Bulrush?

Algal bulrush is a perennial grass-like plant that belongs to the diverse world of wetland vegetation. You might also see it listed under several scientific synonyms in plant databases, including Eleocharis confervoides, Scirpus confervoides, or Websteria submersa. Don’t let the name algal fool you – this isn’t algae at all, but rather a genuine flowering plant that’s perfectly adapted to life in very wet conditions.

Where Does It Call Home?

This native beauty has its roots firmly planted in the southeastern United States. You’ll find algal bulrush naturally growing across Alabama, Arkansas, Florida, Georgia, and Louisiana. It’s a true southern native that has adapted to the unique wetland environments of these states over thousands of years.

A Plant That Really Loves Water

Here’s where algal bulrush gets really interesting – it’s classified as an Obligate Wetland plant in the Atlantic and Gulf Coastal Plain region. In plain English, that means this plant almost always needs to have its feet wet. We’re talking about a species that thrives in conditions that would drown most garden plants.

Should You Grow Algal Bulrush?

The honest answer is: it depends entirely on what kind of garden you’re creating. Algal bulrush isn’t going to work in your typical flower border or herb garden. However, if you’re one of those adventurous gardeners working on:

  • Wetland restoration projects
  • Rain gardens in consistently wet areas
  • Pond or water feature edges
  • Native plant conservation efforts

Then algal bulrush could be exactly what you’re looking for. As a native species, it supports local ecosystems and provides authentic regional character to wetland gardens.

The Growing Challenge

Here’s where we need to be upfront: specific cultivation information for algal bulrush is quite limited. This isn’t surprising, since it’s a specialized wetland plant rather than a common garden variety. What we do know is that it needs consistently wet to saturated soil conditions – think bog-like environments rather than the well-draining soil most plants prefer.

If you’re determined to try growing algal bulrush, you’ll likely need to:

  • Provide constant moisture or standing water
  • Source plants from specialized native plant nurseries
  • Consult with local wetland restoration experts
  • Be prepared for some trial and error

The Bottom Line

Algal bulrush represents the fascinating world of specialized native plants that most gardeners never encounter. While it’s not going to work in conventional gardens, it could be perfect for those rare gardeners working on wetland projects or authentic habitat restoration. Its native status makes it valuable for supporting local ecosystems, but its very specific needs mean it’s definitely not a beginner plant.

If you’re drawn to the idea of growing native wetland plants but algal bulrush seems too challenging, consider starting with more readily available native sedges or rushes that can handle wet conditions but are easier to source and grow. Sometimes the best garden adventures begin with baby steps into new plant territories.

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

Algal Bulrush

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

Cyperaceae Juss. - Sedge family

Genus

Websteria S.H. Wright - algal bulrush

Species

Websteria confervoides (Poir.) S. Hooper - algal bulrush

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