Why does your Lilium OT Cocossa have sudden leaf drop? Diagnose the cause and fix it with our step-by-step guide.
This fungal pathogen thrives in high humidity and cool temperatures, causing rapid tissue decay. As the leaves rot at the base or tips, the plant may shed them suddenly to prevent further spread.
Excessive moisture in the bulb's growing medium suffocates the roots, leading to fungal secondary infections. When roots fail, the lily cannot support foliage, causing sudden senescence and leaf drop.
Lilium OT hybrids are sensitive to sudden shifts in temperature, particularly extreme heat waves or late frosts. Rapid changes trigger a survival mechanism where the plant sheds leaves to conserve energy for the bulb.
A sudden lack of available nitrogen, often caused by heavy rain leaching nutrients from the soil, can cause rapid yellowing and dropping of older leaves.
Your plant might also be experiencing one of these issues:
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