When September comes around, I want my garden to be filled with mums and asters. Bright yellows, fluffy purples, the colors of fall. But for some reason, it wasn’t until the end of August that some of my summer bloomers really started to get going. And then they took off during the month of September! My crape myrtles, which are magnificent when full of blooms, wait until most of the others in our area have faded before displaying their full...