How to Remove a Large Hedge & Kill the Roots

Written by sharon sweeny
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How to Remove a Large Hedge & Kill the Roots
Tastes change and sometimes a large hedge requires removing. ( Images)

Removing a large shrub or a hedge by pulling out the roots is time-consuming work. A less labour intensive way to remove a shrub is to use a combination of pruning and herbicide. The non-selective herbicide triclopyr kills all vegetation it comes in contact with. It enters the vascular system of the plant and moves through its entire system, spreading its deadly poison and resulting in the death of the entire plant, roots and all. Autumn is the best time to treat woody shrubs and hedges with non-selective herbicide because the plants are already sending nourishment down to its roots for winter use.

Skill level:

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Things you need

  • Pruning saw
  • Full strength triclopyr herbicide
  • Paint brush

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  1. 1

    Saw off the stems of the hedge about 12 to 18 inches above the ground. Do a small portion of the hedge at a time -- only what you can cut in about 15 minutes.

  2. 2

    Immediately paint the cut wounds with full-strength triclopyr. Do not wait to apply the herbicide to the open wounds because they begin to grow a protective covering almost immediately after they are cut. This protective covering will prevent the herbicide from being absorbed into the vascular system of the plant.

  3. 3

    Repeat steps 1 and 2 with the remaining portion of the hedge. Ensure that you apply the herbicide to the cut surfaces within 15 minutes of making the cut.

  4. 4

    Monitor the area for the next two to six weeks. The branches and eventually the roots will wilt and die during that time.

  5. 5

    Remove the roots from the ground after they have dried up because they will then have released their hold on the soil and will be easier to pull out.

Tips and warnings

  • Do not touch any desirable plants with a single drop of the triclopyr because even that small amount can be fatal to shrubs and trees.

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