Why does your Lilium OT Stentor have fine webbing? Diagnose the cause and fix it with our step-by-step guide.
Spider mites are the most common cause of fine webbing on lilies. They feed on the underside of leaves, injecting toxins that create characteristic stippling and silk webs to protect their colonies.
In warmer, drier conditions, these mites thrive on Lilium OT hybrids. The webbing often becomes denser as the population grows, eventually leading to leaf chlorosis and premature senescence.
While not a biological pathogen, extremely dry air can cause wayward silk from mite colonies to become more visible and may cause the lily's leaf edges to curl, mimicking pest damage.
Your plant might also be experiencing one of these issues: