Why does your Zantedeschia Captain Brunello have brown leaf tips? Diagnose the cause and fix it with our step-by-step guide.
Calla Lilies like 'Captain Brunello' thrive in higher humidity; dry air causes the delicate leaf margins to desiccate and turn brown. This is common when the plant is kept near heating vents or in air-conditioned environments.
Excessive buildup of salts from tap water or fertilizers can burn the leaf margins of Zantedeschia. As the plant transpires, these minerals concentrate at the tips, causing necrotic brown patches.
Allowing the soil to dry out completely between waterings causes physiological stress to the foliage. This drought stress often manifests as browning at the extremities of the leaves first.
While usually presenting as dark spots, early-stage fungal infections can cause necrotic brown edges on the foliage. This is often triggered by poor air circulation or moisture sitting on the leaves.
Your plant might also be experiencing one of these issues:
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