Answer: Wax myrtle (Myrica cerifera or M. carolinensis) grows to a height of about 30' if left unpruned. Pruning should be done in late winter or early spring. Since the plant can naturally be quite shrubby, you'll want to reduce the number of main stems to one or just a few, so the plant will form a main trunk or group of trunks. Don't prune off too much at first, because the plants need the leaves to manufacture its food.
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