Why does your Zantedeschia Captain Morelli have sudden leaf drop? Diagnose the cause and fix it with our step-by-step guide.
Excessive moisture or poor drainage in the potting medium can lead to fungal pathogens attacking the tuber. This prevents water transport to the foliage, causing leaves to wilt and drop suddenly.
Calla Lilies are sensitive to sudden drops in temperature or frost. Exposure to drafts or temperatures below 50°F (10°C) can trigger a stress response resulting in rapid foliage senescence.
As light levels decrease and temperatures drop, Zantedeschia naturally enters a period of dormancy. During this phase, the plant intentionally sheds its foliage to conserve energy in the tuber.
A lack of available nitrogen prevents the plant from maintaining chlorophyll levels, leading to chlorosis and eventual leaf abscission.
Your plant might also be experiencing one of these issues:
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