Answer: I think Green Tower Boxwood would be the perfect plant for your hedge. Just 2 feet wide but reaching 9 feet tall, this columnar evergreen offers year-round beauty with almost no effort on your part.
The habit of this plant is very dense, yet it keeps its neat, straight-up-and-down shape, as if you'd just finished shearing it! In fact, you never have to do a thing to the foliage, but if you want to shape it, Green Tower is dense enough to create topiary without leaving unsightly gaps and holes.
The foliage is medium- to fine-textured, giving Green Tower a full, solid look even from a young age. Expect it to reach about 5 feet tall within 5 years in partial shade.
As for the hollies you've been checking out, they, too, will grow in a partially shady spot and will be attractive all year; camellias are evergreen but wider than the planting site. They bloom in late fall or early winter.
Best wishes with your new hedge.
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