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Bull Thistle
(Cirsium vulgare)
Eric Hanson, Horticulture
Troublesome. Biennial weed is vigorous and spiny. Controlled by several preemergent herbicides.
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This site's development was funded by grants from Project GREEEN and Michigan State University
The web site was designed by Phillip Wharton and is managed by Daniel Svoboda.

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Last Updated - 6/22/07