Answer: In my experience, yews can be planted next to but not directly in front of a drier vent, so I am not certain that the vent was entirely the cause of the yews' death. Fall planted evergreens often have a difficult time becoming established, so a spring planting might have better results. Another plant to consider might be the ornamental grasses which could be cut down in the fall, and using a trellis covered with a vine to screen the view of the vent. If the trellis is mounted some distance away from the building, it will allow the air to circulate freely behind it and not directly on the plants. A vien to consider for an afternoon sun location would be the fall blooming sweet autumn clematis, trumpet vine, or one of the native honeysuckles, for instance.
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