Here is a Crepe Myrtle strong, tall, and in full bloom. There was a bad rumor spread around that Myrtles ought to be severely pruned back every year to prevent them from becoming tall and ungainly. The counter argument is this healthy specimen which has grown tall and lush with a full head of bloom. You see, the Crepe Myrtle is actually a tree rather than a shrub, and it feels ill-treated if pruned too harshly. Let the poor thing grow and it will thank you for it.