Why does your Anthurium andraeanum Amis have sticky leaves? Diagnose the cause and fix it with our step-by-step guide.
Scale insects attach themselves to the underside of Anthurium leaves and suck sap, excreting a sugary substance called honeydew that creates a sticky residue. This often leads to secondary issues like sooty mold growth on the leaf surface.
Aphids are soft-bodied insects that congregate on new growth and flower spathes of the Anthurium, secreting sticky honeydew as they feed. This can cause the delicate leaves to become distorted or curled.
Mealybugs produce honeydew while feeding on the plant's vascular system, leaving a sticky film on the foliage. They are often accompanied by white, cottony masses in the leaf axils.
Over-application of liquid fertilizers can leave concentrated mineral salts on the leaf surface, which may feel tacky or sticky when moisture evaporates. This can also lead to leaf tip burn in Anthuriums.
Your plant might also be experiencing one of these issues: