Chrysanthemum Marangon Fine Webbing
eco Fine Webbing

Chrysanthemum Marangon – Fine Webbing

Why does your Chrysanthemum Marangon have fine webbing? Diagnose the cause and fix it with our step-by-step guide.

search Possible Causes

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Two-Spotted Spider Mite (Tetranychus urticae)

This is the most common cause of fine webbing on Chrysanthemums. These arachnids thrive in warm, dry conditions and feed on the undersides of leaves, creating silk webs to protect their colonies.

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 specks drop off and begin moving.
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1 Immediately spray the plant with an organic insecticide/miticide to eliminate the spider mite population and destroy their webbing.
2 Increase humidity and reduce heat around the plant, as spider mites thrive in warm, dry environments.
3 Inspect nearby plants and use yellow sticky traps to monitor for any remaining flying pests or migrating mites.
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Edema (Physiological Disorder)

While not true webbing, rapid cell expansion due to uneven water uptake can cause leaf cells to burst, sometimes creating a fine, crusty, or web-like residue on the surface of Chrysanthemum foliage.

Common
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How to confirm: Check if the 'webbing' is actually stuck to the leaf surface and accompanied by small bumps or blisters.
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1 Ensure consistent watering by monitoring soil moisture levels to prevent the rapid cell expansion and bursting caused by uneven water uptake.
2 Improve soil aeration and drainage by mixing in horticultural perlite to prevent waterlogged conditions that trigger edema.
3 Maintain stable humidity and airflow around the plant to help the foliage dry more evenly after watering.
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Tenuipalpus species (False Spider Mites)

These much smaller pests can produce very fine, almost invisible silk strands on Chrysanthemum buds and young leaves, often mimicking larger spider mite infestations.

Common
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How to confirm: Use a powerful magnifying loupe to look for extremely minute, slow-moving insects near the leaf margins.
build How to fix it
shopping_cart Recommended Products
1 Inspect the undersides of leaves and flower buds for tiny moving dots or fine silk strands, and treat the infestation immediately with an organic insecticide spray.
2 Increase humidity around the plant and ensure good airflow to make the environment less hospitable for mite species.
3 Use yellow sticky traps to monitor for any remaining adult pests or secondary infestations like whiteflies.
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