Maple Sap Dripping After Pruning: Normal or Aphids?

Pruning-Related Sap

Maples often bleed sap from pruning wounds for the first year—normal, stops on its own.

If sap is sticky and not from wounds, it's aphid honeydew. Treat with Bayer Advanced Tree & Shrub Insect Control (imidacloprid soil drench).

Trees: Weeping Cherry Gummosis: Borer Management and Fruit Production; Cherry Tree Sap, Bark Cracks, and Amber Glob: Borer Infestation; Dealing with Borers in Plum Trees: Identification and Treatment; Maple Dripping Sap: Aphids or Scale and Systemic Fix; Yellow/Orange Sap from Cut Tree Roots: Normal Spring Flow; Black Tennis Court Residue: Sooty Mold from Scale/Aphids; Maple Tree Dripping Sticky Sap? It's Likely Slime Flux, Not Aphids; Aphid Honeydew Causing Maple Sap Nuisance; Maple Sap Flow After Spring Pruning: Normal and Manageable; Sapsucker Holes Don't Cause Scale Insects

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