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arborvitae roots

"I would like to plant a row of arborvitae up against a tall, windowless side wall of my house where the ground slopes downward. My husband is reluctant to plant anything there because we've had such water drainage issues, but I'm desparate to cover these tall, bare walls. Will the arborvitae roots mess up the foundation of the house or interfere with drainage?"
Submitted by BHGPhotoContest

Especially in wet areas, Arborvitae (Thuja sp.) roots remain shallow, so they shouldn't interfere with the house's foundation.

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