Chrysanthemum Derlei Yellow Fine Webbing - Causes & Fixes

Jump to cause: Two-Spotted Spider Mite Infestation Tetranychus urticae (European Red Spider Mite) Cyclamen Mite Infestation

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Two-Spotted Spider Mite Infestation

These tiny arachnids thrive in the warm, dry conditions often preferred by Chrysanthemums. They pierce plant cells to suck out nutrients, leaving behind fine silken webs as they move across the foliage.

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 specks fall onto the paper.

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shopping_cart Recommended Products

1 Apply an organic miticide to eliminate the spider mites and their eggs; a thorough spray of Neem Oil will help control the infestation.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase humidity around the plant and ensure the soil remains consistently moist, as spider mites thrive in dry environments.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

3 Prune and dispose of heavily infested or dead foliage to prevent the mites from spreading to healthy parts of the plant.

Fiskars 5/8" Bypass Pruning Shears

Cutting Tools

$13

In Stock

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Tetranychus urticae (European Red Spider Mite)

A specific strain of spider mite common in greenhouse-grown Chrysanthemums that produces much denser webbing as populations grow. High humidity or lack of airflow in the foliage canopy can accelerate this outbreak.

Very Common

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How to confirm: Inspect the undersides of leaves for tiny, moving red or orange dots.

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shopping_cart Recommended Products

1 Apply an organic miticide/insecticide to the plant, ensuring you spray the undersides of leaves where mites congregate, to eliminate the spider mite population.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase airflow around the foliage canopy using a small fan and monitor humidity levels to prevent the dense webbing from re-establishing.

3 Use yellow sticky traps to capture adult mites and monitor for any new outbreaks within the plant area.

Super Ninja Fungus Gnat Traps - 30 Pack

30 pcs

$7

In Stock

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Cyclamen Mite Infestation

While less common for web production than spider mites, certain mite species can cause structural changes in the plant that trap dust and debris, mimicking a webbed appearance.

Common

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How to confirm: Check if the 'webbing' is actually accompanied by leaf distortion or puckering.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic miticide to eliminate the mite population and prevent further structural damage to the plant.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Gently wipe the leaves with a damp cloth to remove the dust and debris trapped within the webbing.

3 Monitor the plant closely using yellow sticky traps to detect any remaining mites or other flying pests.