Indian swampweed underwater.

Control Indian Swampweed

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


Manual/Mechanical Control:

If you are considering how to remove Indian swampweed, physically raking or seining this plant can be a somewhat effective method of control. However, physical control can be difficult. Indian swampweed can re-grow from any fragments or roots remaining in the water.


Herbicide Control:

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

  1. Semera or Flumigard + surfactant (for ponds or lakes) – granules that are dissolved and mixed or liquids that are mixed and diluted with water and sprayed over the plants (early morning is best), fast acting.


Treatment Tips:

When treating Indian swampweed,

  • Treat when the plants are established and actively growing.
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