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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comI have a nandina plant that is sprouting new nandinas all over my garden. I cut them but they just grow back. I heard of a product that you can apply to the cut that will prevent it from growing again. Unfortunately, I don’t know the name of the product and none of my local nurseries know either. Can you help me? The nandinas are coming up all over.
Thank you, Mariellen
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[1] https://dcmga.com/north-texas-gardening/shrubs/nandina/: https://dcmga.com/north-texas-gardening/shrubs/nandina/
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1 Comment To "Preventing new tree growth from roots"
#1 Comment By MichiganDot On 03/05/2019 @ 2:28 pm
One technic for killing invasive trees and vines is to paint herbicide to a freshly cut stump. Use a child’s paintbrush or a foam paintbrush. The herbicide is pulled down to the roots. Some authorities recommend concentrated glyphosate (RoundUp) and some recommend a combination of glyphosate and triclopyr (Weed B Gon, Garlon). Ready-to-use herbicide is too dilute. Nandina is now considered invasive in Texas. You are seeing this in real time. https://dcmga.com/north-texas-gardening/shrubs/nandina/ [1]