Why does your Lilium OT Forever 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 Oriental Trumpet Lilies. They pierce the cell walls of the lily leaves to suck out nutrients, leaving behind fine silk webbing as they create colonies.
A specific subspecies that is highly prevalent in greenhouse-grown lilies like 'Forever'. The webbing becomes more dense as the population grows, often accompanied by stippling (tiny yellow dots) on the lily foliage.
While not a primary cause of webbing, extremely low humidity can stress Lilium OT varieties and make them more susceptible to mite outbreaks. This physiological stress weakens the plant's natural defenses against pests.
Your plant might also be experiencing one of these issues: