Close up of sweet flag flower.

Control Sweetflag

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

Click here to read more about identifying this plant.

 

Manual/Mechanical Control:

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

 

Herbicide Control:

There is an option for how to kill sweetflag that offer some control.

  1. Dibrox (for ponds or lakes) – liquid that is diluted with water and sprayed over the plants, fast acting.

 

Treatment Tips:

When treating sweetflag,

  • Treat when the plants are established and actively growing.
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