Southeastern Wisconsin Invasive Species Consortium, Inc.


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Got garlic mustard?   Join the competition!

spring news1Our Garlic Mustard Pull-A-Thon is an annual fundraiser. Young people and adults throughout Southeastern Wisconsin work to protect their neighborhood woodlands by forming teams to pull this invasive plant.

Since the Pull-A-Thon began six years ago, teams have collectively pulled more than 55 tons of garlic mustard and dame’s rocket! This year, our goal is to collectively pull 20,000 pounds and raise funds to fight invasive species. 

The pull-a-thon is a competition, a fundraiser, and a way for people to join together to have a positive impact on their environment. Our natural areas need your help to avoid the damage that invasives cause!

2019 Pull-A-Thon Teams are forming throughout Southeastern Wisconsin. A trophy and bragging rights will be awarded to the team that pulls the most garlic mustard/dame’s rocket and pulls in the most donations by June 30.

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Help raise funds for environmental education and a sustainable invasives program at the same time that you reduce garlic mustard seed production in 2019! 

Click Here

to learn more and get started

Why Are We Pulling?

Garlic Mustard (Alliaria petiolata) is an invasive plant that’s taking over our woodlands.  It crowds out our native wildflowers and endangers forests by preventing tree seedlings from growing.  To make matters worse, none of our native insects or wildlife eat it! 

Dame’s Rocket (Hesperis matronalis), another invasive member of the mustard family, can be pulled and bagged along with garlic mustard during the competition, giving each team extra pounds we call a Rocket Boost! 


Invasive Species Management Sign

New SEWISC Sign Salutes Individual Efforts

Even the smallest of efforts can make a big difference toward reducing the impact of invasive species.  Urban landowners as well as those who own and SEWISCsign start4manage larger acreages can now encourage good stewardship and backyard conservation practices by posting these signs.

Whether you have rural acreage, a suburban yard, or a city lot, you can help protect the environment by controlling invasive species and promoting that stewardship practice to others.

The high-quality 9x12 inch aluminum signs are available for only $16.99 each or two for $29.99 (price includes shipping and handling).  Want to order more than two?  Contact us at:  for a price quote.

To order just download, complete, print and send a SEWISC Sign Order Form with your payment.  Supplies are limited!


Where Ecology Meets Economy

 A Forum for Green Industry & Land Management Professionals

Season 6: Creating Landscapes for a Healthy Planet

 September 25, 2019 -  Become a sponsor today!


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In partnership with Johnson’s Nursery, Inc. we are proud to present a full day event featuring nationally-known author and speaker Doug Tallamy at Boerner Botanical Gardens in Milwaukee.

Author of Bringing Nature Home and The Living Landscape, Dr. Tallamy’s focus on the inter-relationships between plants and the animals and insects that need them provides a vital guide for landscaping decisions. This event will feature two presentations by Doug emphasizing sound ecological restoration, a professional panel discussion, and informative tours.

Save the date! Don’t miss this next opportunity to network with land managers, growers, arborists, landscape architects and many other professionals. Registration information will be available in August.

Here's a peek at our recent Season 5 and past Forums:

Season 1: Survival of the fittest - work together or go broke;  Season 1 Program

Season 2: Cultivation, invasion, ecotypes and nativars;  Season 2 Program

Season 3: Getting personal with the land;  Season 3 Program

Season 4: Sharing ideas to provide sustainable pollinator habitat;  Season 4 Program

Season 5: Let's get real about restorationSeason 5 Program  

Where Ecology Meets Economy would not be possible without the ingenuity of former SEWISC Board Member, Michael Yanny and the generosity of our co-sponsor, Johnson's Nursery, Inc.

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