noxious weed control program #324982 - Ask Extension

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noxious weed control program #324982

Asked May 25, 2016, 9:56 AM EDT

What herbicides are recommended for the control of thistle and Johnsongrass?

Montgomery County Maryland

Expert Response

https://www.nps.gov/plants/alien/fact/ciar1.htm
http://extension.missouri.edu/p/G4872
Glyphosate  (active ingredient in RoundUp and other herbicides) can be used to control thistle and Johnsongrass.  Do not get it on plants that you value.  vw

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