Why does your Sedum mingjinianum have fine webbing? Diagnose the cause and fix it with our step-by-step guide.
The fine webbing is a classic sign of spider mites, which thrive in the warm, dry conditions often experienced by Sedum species. These tiny arachnids pierce cell walls to feed on the succulent leaves, causing stippling and eventually silk webs.
This specific pest is highly adapted to succulents like Sedum mingjinianum, as they prefer low humidity. As the population grows, the webbing becomes more dense, eventually encasing entire stems of the plant.
While not a direct cause of webbing, extremely dry air stresses Sedum mingjinianum and creates the ideal microclimate for mite colonies to explode. This lack of moisture prevents natural predators from thriving and allows silk production to increase.
Your plant might also be experiencing one of these issues:
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