Cercospora leaf spot: A common culprit in the Louisiana garden

From the LSU AgCenter Take a look outside, and you might see that your crape myrtle’s leaves are turning shades of yellow, orange and red and falling to the ground. Is this a sign that autumn is near? Not quite. This time of year, it’s more likely you are witnessing something called Cercospora leaf spot. “This is a very common disease we see late in the summer on crape myrtles,” said Clark Ro…