Common Tansy is invading Aitkin County

Have you seen the tall fern-leafed plants with the button-like flowers along the road during the middle of summer?  If you have noticed these, then you have likely seen the Common Tansy, an invasive species that is invading Aitkin County. Why are they bad for the environment? Why should you wear gloves before handling them?  What can you do to slow the spread of this toxic species?    This video has been developed to provide information regarding this invasive plant.

Sources of information:

Gravel Pit Certification Starts Making a Difference in Aitkin County

Many Aitkin County gravel pit owners have joined the fight against the spread of noxious weeds through gravel pit certification.

Canada Thistle

The goal of the Gravel Pit Certification Program is to certify gravel with a reduced seed bank, to reduce maintenance costs and the spread of Minnesota noxious weeds throughout the county.  The most common noxious weeds that infest gravel pits in Aitkin County are Common Tansy, Spotted Knapweed and Canada Thistle.

Active gravel pits/owners in the program working toward reducing seed banks in Aitkin County gravel are:

Franklin Turnock

Allen Ammala Excavating

spotted knapweed

Mark Ritter

Emery Inc.

Patrick Ritter

Park X LLC

Brooks Pit

Chad Westerlund

Tony Nistler

Johnson Sewer & Excavating INC

common tansy

Carlson Gravel Pit

Hawkinson Construction Co INC

Nelson Lakeside Farm

Kruse Gravel

Rick Boyer

Mark Demenge

Jeanette Strand

Help with noxious weed identification can be found here:

mature spotted knapweed

For more information on Gravel Pit Certification Program :