After weeks of roasting vegetables and baking cookies, the brown splotches build up and may darken the entire pan.
—
Brandee Gruener,
Southern Living,
16 Aug. 2026
Pests and Disease Aphids and other sap-sucking insects can drain crepe myrtle sap and spread sooty mold, while leaf spot is a fungal issue that can weaken plants, impair blooming, and leave unsightly splotches on plant leaves.
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