What Is The Best Weed Killer For Poison Oak And Ivy - Knowledgebase Question

Bolivar, MO
Question by karon1
May 8, 2001
What is the most effective WEED KILLER for Poison Oak and Ivy?

Answer from NGA
May 8, 2001


An herbicide containing glyphosate formulated for brush and applied (and possibly reapplied) according to the label instructions should do the job. Note that a late summer, early fall application (while the roots are rebuilding reserves) can be more effective than a spring application as well.

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