Why does your Lilium orientale La Mancha have fine webbing? Diagnose the cause and fix it with our step-by-step guide.
This is the most common cause of fine webbing on Oriental Lilies, especially in warm, dry conditions. The mites pierce plant cells to feed, causing stippling and creating silken webs to protect themselves and move across the lily foliage.
While not producing true silk, extreme fluctuations in moisture can cause cells to burst, sometimes resulting in a fine, crusty, or web-like residue on the leaf surface. This occurs when the Lily's roots take up more water than the leaves can transpire.
While thrips are more known for silvery scarring, a heavy population can create a disheveled appearance that may be mistaken for webbing. They feed on the delicate tissues of the 'La Mancha' blooms and foliage, causing significant aesthetic damage.
Your plant might also be experiencing one of these issues:
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