Control Spotted Water Hemlock

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

Click here to read more about identifying this plant.

Manual/Mechanical Control:

If you are considering how to remove spotted water hemlock, physically plowing or mowing the area and digging up the roots can be an effective method of control.

Herbicide Control:

There are multiple options for how to kill spotted water hemlock that offer 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 spotted water hemlock,

• Treat when the plants are established and actively growing.