Why does your Graptoveria Douglas Huth have white cottony spots? Diagnose the cause and fix it with our step-by-step guide.
These small insects secrete a white, waxy, cotton-like substance to protect themselves. In Graptoveria, they often hide in the tight crevices between the fleshy leaves and the base of the rosette.
This fungal disease manifests as white, flour-like patches on leaf surfaces. While more common in high humidity, it can affect succulents if airflow is restricted around the Douglas Huth rosette.
Under conditions of excessive moisture and poor ventilation, Botrytis can cause grey/white fuzzy growth on decaying organic matter or succulent tissue.