Why does your Zantedeschia Captain Marrero have fine webbing? Diagnose the cause and fix it with our step-by-step guide.
Two-spotted spider mites thrive in the warm, dry conditions often experienced by Calla Lilies. They feed on the undersides of the leaves, creating characteristic fine silk webbing as they build colonies.
These microscopic mites can cause fine, almost invisible webbing and leaf distortion on Zantedeschia species. They are particularly active when the plant's humidity levels drop too low.
While less common as 'webbing,' certain fungal hyphae can appear as a fine, thread-like web over the leaf surface in excessively damp environments. This is often accompanied by soft, dark spots on the spathe or foliage.
Your plant might also be experiencing one of these issues:
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