Why does your Echeveria setosa deminuta have white cottony spots? Diagnose the cause and fix it with our step-by-step guide.
These small, sap-sucking insects produce a white, waxy, cotton-like secretion to protect themselves while feeding on the succulent's tissues. In Echeveria, they often congregate in the tight crevices between the leaves and near the base of the rosette.
Similar to mealybugs, these scale insects produce a white filament that can look like cotton. They attach firmly to the plant stem or leaf undersides and drain nutrients, causing the rosette to lose its firmness.
While typically associated with fuzzier gray growth, early stages of fungal decay in high-humidity environments can appear as white, fuzzy patches on decaying leaf tissue. This is common if the Echeveria setosa has been kept in poorly ventilated or overly damp conditions.
Your plant might also be experiencing one of these issues:
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