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Carol from Arlington Heights, Il writes

Will Roundup Pro Max kill Canadian thistle

Also, will it kill a tree if it gets in the bark

Answer:

Roundup Pro Max is labeled to suppress Canada Thistle.  It may take a few applications to get complete control of it.  We would recommend avoiding any contact with desirable trees to prevent injury.

Answer last updated on: 08/13/2019

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Roundup Pro Max

Roundup Pro Max

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$89.98

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