Bob/Mn Posted July 29, 2008 Share Posted July 29, 2008 Any input on knapweed control. Type of chemicals and amounts per gallon for spot spraying. Link to comment Share on other sites More sharing options...
hotrod1 Posted July 29, 2008 Share Posted July 29, 2008 Banvel. 1 to 2 ounces per gallon best applied in the fall or spring. Make sure you try to spray a small area around the knapweed so you get the roots and seedlings. Link to comment Share on other sites More sharing options...
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