Answer: There are a number of different columnar arborvitae cultivars you could consider using. Your local professional nursery staff should be able to help you select one in the size range you need from what they have in stock on hand. You can plant on the property line or, to provide screening more quickly, sometimes a group planting close to the area you are trying to screen can be effective. This works similarly to the idea of holding your hand up close to your face to block your vision and holding it at arm's length. Good luck with your planting!
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