Why does your Lilium hybrid Scipione have white powder? Diagnose the cause and fix it with our step-by-step guide.
This fungal disease is highly common in Lilium hybrids when humidity is high and air circulation is poor. It manifests as a white, flour-like coating on the leaves that can eventually lead to leaf yellowing and premature senescence.
While typically associated with gray mold, early stages of Botrytis on lilies can present as light-colored, necrotic spots or a dusty appearance on developing flower buds and foliage during damp conditions.
If you are misting your 'Scipione' lilies, calcium and magnesium carbonates from hard water can evaporate, leaving a white, crusty residue on the leaf surface.
Your plant might also be experiencing one of these issues: