Why does your Crassula hemisphaerica have white cottony spots? Diagnose the cause and fix it with our step-by-step guide.
Mealybugs are small, soft-bodied insects that secrete a white, waxy, cotton-like substance to protect themselves. They feed on the sap of Crassula hemisphaerica, often congregating in the crevices between the tightly packed leaves.
Similar to mealybugs, these scale insects produce a white, felt-like covering. On succulent species like Crassula, they can cause the leaves to become stunted or discolored as they drain nutrients.
In high humidity or poorly ventilated environments, Botrytis can manifest as fuzzy white patches. In Crassula hemisphaerica, this usually precedes the softening and rotting of the spherical leaves.
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