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killing buckthorn: is now a good time? triclopir vs glyphosate? #869810

Asked May 23, 2024, 3:20 PM EDT

hi, i have a bunch of small buckthorn popping up and would like to chemically treat a large area with a sprayer. In fall 2022, i cut/painted the stumps with round up, which did a good job, but now on to round 2 with all the new growth. do you have a recommendation on triclopir vs round up? is now (late may) a good time to spray? what percent (concentration) active ingredient should i use when i mix the spray? (should i make it stronger than the label recommends)?

Ramsey County Minnesota

Expert Response

Any time is good to battle buckthorn. Always follow label directions when working with chemicals. Also these web pages.
https://www.dnr.state.mn.us/invasives/terrestrialplants/woody/buckthorn/control.html#
https://www.dnr.state.mn.us/invasives/terrestrialplants/woody/buckthorn/control.html#
Linda G Tenneson, Benton County EMG & TCA Replied May 23, 2024, 3:30 PM EDT

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