Asian marshweed with one flower starting to bloom.

Control Asian Marshweed

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


Manual/Mechanical Control:

If you are considering how to remove Asian marshweed, physically pulling this plant is not recommended. Asian marshweed can re-grow from any fragments remaining.


Herbicide Control:

There is an option for how to kill Asian marshweed that offers great control.

  1. Liquid 2, 4-D (for ponds or lakes) – liquid that is diluted with water and sprayed over the plants. Most effective on treatment areas larger than a half-acre, this allows longer contact exposure time.


Treatment Tips:

When treating Asian marshweed,

  • Treat when the plants are established and actively growing.
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