Why does your Zantedeschia Odessa have fine webbing? Diagnose the cause and fix it with our step-by-step guide.
Spider mites thrive in the warm, dry conditions often preferred by Calla Lilies. They pierce the leaf cells of 'Odessa' to suck out nutrients, leaving behind fine silk webbing as a protective habitat.
A specific strain of spider mite that is highly aggressive on rhizomatous plants like Zantedeschia. The webbing often becomes more dense around the base of the spathe and newer leaf growth.
While not a biological pest, extremely dry air can cause leaf edges to curl and brittle fibers of the plant to break, which can sometimes be mistaken for fine silken webs in certain light.
Your plant might also be experiencing one of these issues:
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