Why does your Chrysanthemum Domingos have white powder? Diagnose the cause and fix it with our step-by-step guide.
This is the most common cause for white, flour-like patches on Chrysanthemum leaves. It is a fungal disease caused by Oomycetes that thrives in high humidity and poor air circulation around the dense foliage of 'Domingos' mums.
Small, white, waxy insects that cluster in leaf axils and tight crevices of the plant. They secrete a white, cottony substance that can look like powder or dust from a distance.
Tiny white insects that reside on the undersides of the leaves. While they are mobile, their presence and the accumulation of honeydew can create a whitish, dusty appearance on the foliage.
Interrupted water uptake can cause cells to burst, creating white or tan necrotic spots that may appear as a dry, powdery residue on older leaves.
Your plant might also be experiencing one of these issues:
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