I apologize for this delayed reply to your gardening question and hope it is still helpful to you.
Evergreen shrubs tend to not come back from near the base or on a dead side very well as the remaining living parts of the shrub tend to be where most of the new growth occurs. One strategy to avoid replacing the shrub is to cut the entire shrub back to about a foot or so high. Then as it regrows shear it periodically to encourage branching and development of a full attractive plant. In the meantime keep the roots well watered and fertilize it a couple of times each year in early spring and early summer. When you fertilize sprinkle 1/4 cup of a turf type product throughout a circular area extending 3 feet out from the shrub in all directions.
Thanks for the question. Best wishes for a wonderful gardening season. Please stop in again soon!
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