how to stop tree growth - Knowledgebase Question

mehoopany, Pe
Question by brookcumbo
March 11, 2010
last summer i cut down several sumac trees. they then started growing what i assume are saplings in huge amounts. i want to know what i can do to stop the growth or kill the stump without damaging the plant that are around the stumps. i also have a large oak tree right next to the sumacs so i need to be sure not to damage that tree as well. can u please advise?

Answer from NGA
March 11, 2010


Digging out the roots is the most permanent solution but you can try killing off the roots of the sumac by painting Round Up or Brush B Gon directly on the cut stumps. This herbicide will travel down to the roots but won't move in the soil so your oak tree won't be affected. Make fresh cuts and then immediately paint the cuts with the product. If more suckers appear, cut them down and paint them, as well. As long as the sumac roots have stored energy they will continue to send up suckers. By treating each one as soon as it pops up, you'll be draining the roots of their stored energy and giving them a dose of vegetation killer, too. Eventually you'll be the victor!

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