Why does your Lilium LA Hybrid Riverside have fine webbing? Diagnose the cause and fix it with our step-by-step guide.
These arachnids thrive in the warm, dry conditions often experienced by LA Hybrids like 'Riverside'. They pierce cell walls to suck sap, leaving behind characteristic fine silken webs and stippled white spots on the lily leaves.
A specific subset of spider mites that is highly aggressive on Lilium species. The webbing becomes denser as the population grows, eventually leading to premature leaf senescence and bronzing of the foliage.
While thrips are known for scarring and silvery patches, heavy infestations in humid microclimates can sometimes result in silk-like debris or disturbed leaf surfaces that mimic fine webbing.