Flowering Rush Treatment Program

In 2020, the Lake Minnetonka Association program began a treatment program to control Flowering Rush, in partnership with Tonka Bay Marina and North Shore Marina.

Flowering Rush is identifiable by its triangular stalk.

 

Flowering Rush is an attractive, reed like plant with clusters of pink flowers on its tip that blooms in June and July. While it can be easily confused with native rushes, flowering rush is a prohibited invasive species in Minnesota, which means it is unlawful (a misdemeanor) to possess, import, purchase, transport, or introduce this species into a waterbody.

 

Flowering Rush was first found in Lake Minnetonka in 2008 and is located in “near shore” areas around Crystal Bay, Smiths Bay, Lafayette Bay, and Big Island. It is primarily spread by water currents, boats, and other water-related equipment. Once established, the flowering rush is hard to kill. Mechanical control or hand digging are not recommended as root fragments can spread and sprout.

 
 

To learn more about Aquatic Invasive Species click here