Why does your Zantedeschia Captain Signum have drooping leaves? Diagnose the cause and fix it with our step-by-step guide.
Zantedeschia cultivars like 'Captain Signum' have large, fleshy leaves with high transpiration rates. When soil moisture is insufficient, the plant loses turgor pressure, leading to immediate wilting/drooping.
Excessive moisture in the substrate leads to fungal pathogens like Phytophthora attacking the rhizome. This damages the vascular system, preventing water from reaching the leaves despite wet soil.
Calla Lilies are tropical perennials that are sensitive to temperatures below 55°F (13°C). Sudden drops in temperature can cause the cellular structure of the leaves to collapse, resulting in drooping.
A lack of available nitrogen prevents the production of chlorophyll and structural proteins necessary for leaf rigidity. This often manifests as a gradual drooping accompanied by yellowing of older leaves.
Your plant might also be experiencing one of these issues:
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