Schefflera Arboricola Sticky Sap: Scale Insect Infestation and Treatment

A 5-foot schefflera develops sticky clear sap that turns crusty brown on leaves and pot. Expert Will Creed identifies this as honeydew from scale insects—small, hard, brown shells on stems and leaves. Treatment:

Scale Control Recipe

Mix 5 parts water, 1 part rubbing alcohol, and a squirt of liquid soap. Spray all leaf and stem surfaces until dripping wet. Thorough coverage is critical to reach invisible immature scales. Repeat if needed. Missed scales will reinfest in months.

Will offers free articles on pest treatment and schefflera care via email.