Why does your Begonia Monza Pink 138 have sticky leaves? Diagnose the cause and fix it with our step-by-step guide.
Small, soft-bodied insects suck sap from the undersides of the Rex begonia leaves, excreting 'honeydew,' a sugary, sticky substance. This residue can lead to the growth of black sooty mold on the pink patterned foliage.
Scale insects attach themselves to the stems or leaf veins of the Begonia Monza Pink and secrete honeydew as they feed on plant fluids. These pests are often harder to see because they resemble small, stationary bumps or bumps on the plant surface.
These pests produce sticky honeydew while feeding on the nutrient-rich sap of Begonias. They are often accompanied by white, cottony masses in the leaf axils where the leaf meets the stem.
Physical damage to the succulent-like leaves or high humidity causing the plant to exude sap can result in a sticky residue. This is less common than insect activity but occurs during tissue repair.
Your plant might also be experiencing one of these issues:
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