Phragmites in large clusters in water

Control Phragmites

Many people ask how to get rid of Phragmites. The following options can be considered for how to control Phragmites.

 

Manual/Mechanical Control:

If you are considering how to remove Phragmites, physically cutting and digging up the roots can be a somewhat effective method of control. However, physical control can be difficult. Phragmites can re-grow from any roots remaining in the water.

 

Herbicide Control:

There is an option for how to kill Phragmites that offers some control.

 

Treatment Tips:

When treating phragmites,

  • With Imox or other systemic herbicides, treatment is most effective when the plants are mature or close to full grown. This allows for more plant surface to spray enough mixture on.
    • Treat in late summer to early fall to get better kill of the root systems. At this time, plants are pulling energy into their roots to store for the winter.
  • A second treatment will likely be needed.
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