Southeastern Wisconsin Invasive Species Consortium, Inc.


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Invasive Species Roadside Management

SEWISC works with roadside maintenance crews of 118 cities, towns and villages to implement new mowing regimes and best management practices for 5 targeted roadside survey species. 

Early Detection and Rapid Response System

We swiftly eradicate new invading species such as wild chervil, lesser celandine, hairy willow herb, java water dropwort, reed mannagrass, golden creeper, garden valerian and giant hogweed.

Assistance Program in partnership with We Energies Foundation

Program awards have been made to 39 high-impact projects over the past 9 years. We offer technical expertise, equipment, site inspection, and funding for invasive species management and control.

Annual Garlic Mustard Pull-A-Thon

Over 9 years, volunteers have raised funds and awareness while pulling nearly 87 tons of garlic mustard and dame’s rocket!

Partnering with the James E. Dutton Foundation, Inc.

We developed and delivered invasive species information packets to nearly 9,000 hunters and anglers in reestablished and rare oak-savanna plant communities.

Volunteer workday calendar

The web-based calendar allows event organizers to post hundreds of opportunities for volunteers.   

Internship Program

Over the past 11 years, 103 local college students have been matched with professional mentors each summer and placed with 15 different government and non-profit organizations to identify, map, control, and manage invasive plants and animals.

“Where Ecology Meets Economy” Forum in partnership with Johnson’s Nursery, Inc.

We have planned and held 6 fantastic forums, providing Land Management and Green Industry professionals opportunities to collaborate and share ideas for sustainable natural habitats. 

Annual Educational Symposium

In an afternoon at Havenwoods Environmental Awareness Center we provide experts who focus on a new topic each year.  More information is provided through exhibits.

Website and member services

Public and private landowners are provided with a species gallery for identification and control of both aquatic and land-based invasive species on their property.  Personal communication and quarterly electronic newsletters are also available.