Q&A for How to Kill a Tree

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  • Question
    Is it bad to water a tree by spraying the whole tree down all the time?
    Lauren Kurtz
    Professional Gardener
    Lauren Kurtz is a Naturalist and Horticultural Specialist. Lauren has worked for Aurora, Colorado managing the Water-Wise Garden at Aurora Municipal Center for the Water Conservation Department. She earned a BA in Environmental and Sustainability Studies from Western Michigan University in 2014.
    Professional Gardener
    Expert Answer
    It is more effective to water the tree near the roots. This is where the tree will absorb the water.
  • Question
    Are there any other substances we can apply after cutting the tree in case we don't have herbicide?
    Ninox
    Top Answerer
    You can use Epsom salt (magnesium sulfate) or rock salt (sodium chloride). You can also benzine and burn the trunk.
  • Question
    How do I kill the roots of a tree that I previously cut down?
    Community Answer
    Follow the steps as shown above. Be careful of re-girdling the stump though, it's an easy way to cut yourself.
  • Question
    Can I plant vegetables around or near a poisoned stump?
    Community Answer
    I wouldn't recommend it, since there is a chance the herbicide leached into the surrounding soil, and the plants will absorb it through their roots.
  • Question
    How do I kill a tree without peeling it or cutting it?
    Community Answer
    Put the herbicide in water, then put the poison water in the soil near the trees. Be aware that it will poison the plants nearby as well.
  • Question
    Can I kill a tree without cutting it by applying chemicals to its roots?
    Community Answer
    If you use enough herbicide (or any other harmful chemical), then yes, it will die.
  • Question
    What benefit is there in killing the tree before cutting it down, instead of simply felling it?
    Community Answer
    It'll be easier to cut the wood because it wont be as spongy or springy. Mostly it is about personal preference, though.
  • Question
    I intend to slab over the ground when leveled. If I apply poison to the tree root and cover it with soil, which I need to do to raise the ground level, will the root just rot away?
    Community Answer
    Most likely yes. Though it’s possible, depending on the specific plant, for sprouts to emerge nearby. You can drill holes in the stump and pour bleach in them. It’s cheaper and less toxic to the soil than herbicide.
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