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Jazzlike_Breadfruit9 t1_je00lrm wrote

Do not use poison, especially if you’re not trained in using it. It will contaminate your property and the dirt.

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HomicidalHushPuppy t1_je0ikwn wrote

No it won't. Triclopyr is the best herbicide for Tree of Heaven, and it had very low soil activity. It doesn't leech and it dissipates fairly quickly (unless you buy a mixture branded to "work all year").

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GargantuanWitch t1_je0pkdq wrote

I'm as crunchy as they come, but this is bad info. I wouldn't hesitate to use an herbicide on Tree of Heaven, because that's the only practical way to kill off the roots if it's living next to a building foundation. It's not like you can physically remove it, unless you plan on excavating the side of your house.

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