Arborvitae Too Big to Be Saved

Q: We had four arborvitae, now 40 feet tall, planted between our driveway and our house years ago as a privacy screen. Can they be topped and saved, or can they be trimmed so as not to hang over our home? 

A: I don’t see a chance of pruning or saving the arborvitae. If you cut them down, even just by half, the root system will be huge compared to the remaining foliage. The interior dead, brown foliage will not sprout at all, and the green foliage left will turn yellow and die. My suggestion is to pull up and remove the arborvitae, being very careful to see that no roots are under the foundation to avoid damaging it. Then decide what your screening needs are presently — either plants or fencing.

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