Control Water Pennyworts

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

Click here to read more about identifying this plant.

Manual/Mechanical Control:

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

Herbicide Control:

There are multiple options for how to kill pennyworts that offer great or good 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.
2. Dibrox (for ponds or lakes) – liquid that is diluted with water and sprayed over the plants, fast acting.

Treatment Tips:

When treating water pennywort,

• Treat when the plants are established and actively growing.