Lilium OT Robina Fine Webbing - Causes & Fixes

Jump to cause: Two-Spotted Spider Mite Infestation Tetranychus urticae (European Red Spider Mite) High Humidity/Fungal Mold (Secondary Symptom)

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Two-Spotted Spider Mite Infestation

Spider mites are the most common cause of fine silken webbing on lilies. They thrive in hot, dry conditions and pierce the plant cells to feed, causing stippling on the leaves.

Very Common

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How to confirm: Hold a white piece of paper under a leaf and tap it to see if tiny crawling dots fall off.

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1 Immediately spray the lily leaves, including the undersides, with an organic miticide to kill existing mites and larvae.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase local humidity and wipe leaves with a damp cloth to disrupt the mites' dry breeding environment.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

3 Monitor soil moisture levels closely to ensure the plant remains hydrated, as dry conditions accelerate mite reproduction.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

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Tetranychus urticae (European Red Spider Mite)

A specific subtype of spider mite common in greenhouse-grown OT hybrids like 'Robina'. They create dense webs around the flower buds and leaf junctions to protect themselves from predators.

Very Common

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How to confirm: Inspect the undersides of the lily leaves for tiny yellow speckling or reddish-brown eggs.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic miticide or insecticide spray to the plant, ensuring you coat the undersides of leaves and flower buds where the webbing is densest.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase humidity around the lily by using a fine mist spray to make the environment less hospitable for spider mites.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

3 Carefully wipe away visible webbing from leaf junctions and buds using a soft cloth or cotton swab to disrupt the mites' protection.

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High Humidity/Fungal Mold (Secondary Symptom)

While not a direct cause of webbing, high humidity trapped within dense mite webs can lead to secondary fungal growth. This often manifests as a fuzzy appearance alongside the silk.

Common

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How to confirm: Check if the 'webbing' feels damp or if there is a musty odor near the base of the lily bulbs.

build How to fix it

shopping_cart Recommended Products

1 Identify and treat the underlying pest causing the webbing, which is likely spider mites, using an organic insecticide spray.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Improve air circulation around the dense foliage to reduce the high humidity that promotes secondary fungal growth.

3 Gently wipe the leaves with a damp cloth to remove existing webbing and fungal spores from the plant surface.