How to Spot and Treat Magnolia Scale in the Cedar Rapids Area

Close-up on a branch of a magnolia tree with white scale insects and leaving some black waxy material

In Iowa, magnolia scale is one of the most common and damaging insect pests on ornamental magnolias. It’s also one of the most misidentified, as homeowners often mistake the sticky residue and black-coated leaves for sap or disease before realizing thousands of small insects are feeding on their tree. Without proper magnolia scale treatment, the…

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