Why does your Lilium OT Gaucho have yellow leaves? Diagnose the cause and fix it with our step-by-step guide.
Lilium 'OT Gaucho' is highly susceptible to root asphyxiation; excessive moisture causes the bulbs to rot, leading to a breakdown of chlorophyll in the foliage. This often presents as uniform yellowing starting from the lower leaves.
As an Oriental-type hybrid, Gaucho requires significant nutrients to support its large blooms and heavy foliage. A lack of nitrogen prevents the synthesis of chlorophyll, causing older leaves to turn pale yellow before progressing up the stem.
Extreme temperature shifts can disrupt the metabolic processes of 'OT Gaucho'. Rapid cooling in spring or intense summer heatwaves can cause the plant to enter a localized senescence, resulting in yellowing leaves.
Your plant might also be experiencing one of these issues:
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