Category Trees & Insects

How to Control Sooty Mold on Crape Myrtles

Crapemyrtle with Black Scale

What Causes the Sooty Mold to Develop? The sooty mold on your crape myrtles is caused by a sap-feeding insect, known as Crape Myrtle Bark Scale (CMBS). The insect’s excrement, known as honeydew, is sugary. Eventually, the sugary honeydew becomes moldy,…