How to kill large house ivy roots - Knowledgebase Question

Clinton Township, MI
Question by barbaralowe
May 21, 2007
Have had English ivy on the side of my house for 32 yrs, which recently started to die and separate from the house at the top. We removed the ivy which came down in one big section intact, but the large roots remain at the bottom brick. What do I use to kill the remaining roots in this 20 ft. secion without having it leech to the front of t he h ou se where the same ivy lays in the front bed as ground coverother ivy landscaping groundcover in the front of the house.


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Answer from NGA
May 21, 2007

0

My preferred method is to dig out the roots. Water the area deeply a day or two before to loosen the soil. Glyphosate, the active ingredient in Round Up (and others) is a systemic herbicide used on English ivy. However, it should be sprayed on foliage when it is vigorously growing, so it is absorbed and circulated through the entire plant system, including the roots. I don't know that it is effective absorbed if sprayed only on the root system. You could read the instructions to see what it recommends. However, since you have torn down the green foliage, if you monitor the roots regularly, and immediately remove any sprouting material, the remaining roots will eventually "starve" because there is no foliage to photosynthesize.

The Ivy Removal Project in Portland, Oregon has a website devoted to this topic:

http://www.noivyleague.com/Pag...

Good luck!

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