Water Hyacinth

Eichhornia crassipes

Water Hyacinth

Family: Pontederiaceae

Weed class: monitor list
Native to: Parts of South America

Why Is It a Noxious Weed?

This plant is on the monitor list - it is not a listed noxious weed in Washington. Please contact its sponsor Jenifer Parsons to report locations or for more information.

How would I identify it?

For More Information

Whatcom County NWCB Fact Sheet on water hyacinth

Southeast Exotic Pest Plant Council information on water hyacinth

Great Lakes Aquatic Nonindigenous Species Information System information on water hyacinth

Additional Photos