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Q.do Arborvitae roots interfere with septic tanks

Zone Yakima WA | vickiewop added on October 15, 2014 | Answered

I have been given 5 arbervitaes and I want to plant them but need to know if the roots will clog my septic system before I decide where to plant them

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Answered on October 15, 2014

Arborvitae have more of a shallow, surface root system. One source I read noted that no kind of tree should be planted directly over a septic field, and suggested that 30 - 60' away from the septic tank was likely acceptable for arborvitae. However, I suggest you consult a professional in the plumbing field to see what kinds of trees they have most trouble with in your area. This article has some more information about these plants, which I hope will help you make your decision: https://www.gardeningknowhow.com/ornamental/trees/arborvitae/growing-arborvitae-trees.htm

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