Why does your Kalanchoe Rosalina Don Amarillo have white cottony spots? Diagnose the cause and fix it with our step-by-step guide.
The white, cottony masses are characteristic of mealybugs, which suck the sap from the succulent leaves and stems of Kalanchoe. This leads to plant weakness, yellowing, and potential leaf drop as they drain vital nutrients.
Certain species of scale insects produce a waxy, white secretion that can look like fluff or cotton on the undersides of Kalanchoe leaves. These pests attach themselves to the plant tissue to feed on the sap.
While usually appearing as gray fuzz, early stages of Botrytis on Kalanchoe can appear as fuzzy white patches, especially in high humidity. This fungus attacks the fleshy tissue of the succulent leaves.
Your plant might also be experiencing one of these issues:
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