What exactly are you seeing on the leaves and stems?
Hoyas are mealybug magnets — the clues are sticky residue and white fuzz.
What exactly are you seeing on the leaves and stems?
White cottony tufts in leaf joints and on stems→Sticky shine or black sooty film, no obvious bugs→Fine webbing and tiny pale speckles on leaves→
Read the full Hoya Carnosa care guide →
Reviewed June 2026 · how we check this