Why does your Rhododendron periclymenoides have fine webbing? Diagnose the cause and fix it with our step-by-step guide.
Spider mites thrive in the warm, dry conditions often experienced by Pinxterbloom Azaleas, feeding on the undersides of leaves and injecting toxins. This activity creates the characteristic fine silk webbing used for movement and protection across the foliage.
A specific subset of mites that often target Ericaceous plants like Rhododendron when humidity levels drop. They cause stippling (small yellow dots) on the leaves in addition to the webbing.
Certain lepidoptera larvae create silk structures to protect themselves while feeding on tender new growth of Rhododendron. Unlike mite webbing, this is often thicker and accompanied by visible chewed leaf edges.
Your plant might also be experiencing one of these issues:
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