Why does your Lilium Red Sensation have sudden leaf drop? Diagnose the cause and fix it with our step-by-step guide.
This fungal pathogen thrives in high humidity and warm temperatures, causing rapid tissue decay. The fungus attacks the leaves and stems, leading to sudden wilting and abscission (leaf drop) as the plant attempts to shed infected tissue.
Overwatering or poor drainage in lily bulbs causes the root system to decay. When roots rot, the plant can no longer transport water to the foliage, resulting in sudden, widespread leaf drop despite moist soil.
Lilium 'Red Sensation' is sensitive to sudden changes in temperature or extreme heat stress. Rapid shifts from cool nights to intense, direct midday sun can cause the plant to drop leaves as a defense mechanism against transpiration loss.
A sudden lack of available nitrogen, especially in depleted soil, can trigger the plant to reallocate resources from older leaves to the bulb. This results in the yellowing and eventual dropping of lower foliage.
Your plant might also be experiencing one of these issues:
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