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  • Dame's Rocket can be identified by having four petals, unlike phlox which has five
    Slide #1
  • Honeysuckles are still frequently used for landscaping
    Slide #2
  • Japanese Knotweed supposedly tastes similar to rhubarb
    Slide #3
  • Leafy Spurge was first recorded in the U.S. in 1827
    Slide #4
  • The IPAW booth at the Wisconsin Wetland's Association meeting in 2016
    Slide #5
  • Cutting the stalks and disposing of them just before flowering is a great control method for Teasel
    Slide #6

Upcoming Events

June1

IPAW Board Meeting, 1:30-3:30 pm, to be held at WI DNR, 101 S Webster, GEF 2, Room 613, Madison, WI

June9

Invader Crusader Award Ceremony, 1 pm, Horicon Marsh Education & Visitors Center, N7725 WI-28, Horicon, WI

July19

IPAW booth at WI Farm Technology Days July 19-21, Lake Geneva, WI Volunteers Needed!




Registration for UMISC is now open. We invite IPAW members to join us at a discount! 

Join IPAW by becoming member here.


Other Invasive-Related Events


Welcome to Our Website

IPAW logo"Slowly, but persistently, making their way across the land, ecologically invasive plants are the silent invaders of our time" quoted from Elizabeth J. Czarapata's book Invasive Plants of the Upper Midwest. Most of us don't even know they exist. We have the illusion of lush, green landscapes, when in fact, much of what we see are invasive plant species. In reality, invasive species have contributed directly to the decline of 49% of threatened or endangered species in the United States. The annual cost to the United States economy is estimated at $138 billion a year, with over 100 million acres suffering from invasive plant infestations. Because there is a need for a greater understanding, it is IPAW's mission "to promote better stewardship of the Natural Resources of Wisconsin by advancing the understanding of invasive plants and encouraging the control of their spread."

We invite you to take a look at our website, and we hope to persuade you about the importance of controlling invasive plant species in Wisconsin... or wherever you may live.


New Threats to Wisconsin

Japanese stilt grass
Japanese stilt grass

It's almost here! Japanese stilt grass is currently found in Illinois, less than 15 miles from the Wisconsin border.

more
Porcelain berry
Porcelain berry

A climbing vine in the grape family, first introduced as an ornamental landscape plant from temperate Asia.

more
Japanese hedge parsley
Japanese hedgeparsley

A member of the carrot family, this species is rapidly spreading and has the potential to invade to most regions of the state.

more

Our Mission

"To promote better stewardship of the natural resources of Wisconsin by advancing the understanding of invasive plants and encouraging the control of their spread."

Contact Us

PO Box 5274
Madison, WI 53705-0274
info@ipaw.org
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