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Phragmites

Phragmites

BACKGROUND: Native to North America and Europe, phragmites is a weed in wetlands, marshes, and waterways, where it can form impenetrable stands. It is sold by nurseries, is commonly used in erosion control, and sometimes for livestock grazing. It is tolerant of fire and salinity.

OTHER COMMON NAMES: Common reed

DESCRIPTION: A perennial rhizomatous grass, with hollow, sometimes creeping stems. Phragmites grow up to 10 feet tall, with rhizomes as deep as 3 feet, and rough-margined leaves up to 1 1/2 feet long. Flowers form in dense, brown, feathery plumes at stem tips. Phragmites is commonly mistaken for giant reed. However, the flower-bearing stems on giant reed are hairless, whereas those of phragmites have silky hairs.

CONTROL: Do not plant phragmites. Because of extensive rhizomes, most mechanical control measures are only partially successful, and some actually encourage its spread. Research on biocontrol agents is ongoing. Systemic herbicides can be effective.

  • SCIENTIFIC NAME: Phragmites australis
  • CLASS: 3
  • BIOCONTROL AGENTS AVAILABLE: NO

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Contact us with questions

Utah Biological Control

Amber Mendenhall

phone: 435 830 4146

email: utahsbuggirl@gmail.com

Utah Noxious Weeds

contact your local County Weed Supervisor

NEW INVADERS GUIDE

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