Why does your Rhododendron hunnewellianum have fine webbing? Diagnose the cause and fix it with our step-by-step guide.
Spider mites thrive in the warm, dry conditions that often affect Rhododendrons; they pierce cell walls to feed, leaving behind fine silken webs and stippled, bronzed leaves.
While less common for large-scale webbing, certain eriophyid mites can cause structural distortions and fine silk production on new growth of Rhododendron species.
The larvae of these moths spin silk webs to create protective shelters while feeding on the foliage of Ericaceous plants like Rhododendrons, often resulting in visible webbing near leaf edges.
Your plant might also be experiencing one of these issues:
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