Hydrilla is an aquatic weed that creates large mats which can overtake a pond. Applications of Diquat Herbicide have proven to work best against Hydrilla and will kill growths quickly.

What herbicide kills Hydrilla?

Chemical Control

There are several options to control Hydrilla: Use a season long herbicide such as Airmax^® WipeOut^™ or Sonar^™ A.S. One treatment treats Hydrilla and many other common pond weeds for the season. Use a broad spectrum contact herbicide, such as Ultra PondWeed Defense^®, will quickly kill Hydrilla.

How do you eradicate Hydrilla?

Hydrilla can be removed by raking or seining it from the pond, but it will re-establish from any remaining fragments, roots, tubers, and other vegetative structures.