Chrysanthemum Victor White Fine Webbing - Causes & Fixes

Jump to cause: Two-Spotted Spider Mite Infestation Tetranychus urticae (European Red Spider Mite) High Humidity/Excessive Moisture (Secondary Effect)

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Two-Spotted Spider Mite Infestation

Spider mites thrive in the warm, dry conditions often found around Chrysanthemums. They feed on the undersides of leaves, piercing cells and secreting silk that creates characteristic fine webbing.

Very Common

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How to confirm: Hold a white piece of paper underneath a leaf and tap it to see if tiny specks fall off and begin moving.

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shopping_cart Recommended Products

1 Apply an organic insecticide spray to the plant, ensuring you coat the undersides of the leaves where mites reside, to eliminate existing pests and eggs.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase local humidity and avoid leaving the soil too dry, as spider mites thrive in warm, arid environments.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

3 Monitor the soil moisture levels regularly to prevent the dry conditions that trigger mite outbreaks.

GROWIT Soil Moisture Meter SMM-V3

Water Meters

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Tetranychus urticae (European Red Spider Mite)

A specific highly aggressive species of mite that is common in greenhouse-grown mums. It produces dense webbing that can eventually cover entire flower heads and stems.

Very Common

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How to confirm: Inspect the leaf undersides for tiny orange or reddish dots which represent the mites themselves.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic miticide/insecticide spray to the plant, ensuring you coat the undersides of leaves and the dense webbing to reach the mites.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Prune and dispose of heavily infested flower heads and stems to prevent the mites from spreading to other plants.

3 Increase humidity around the plant and monitor soil moisture, as spider mites thrive in hot, dry conditions.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

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High Humidity/Excessive Moisture (Secondary Effect)

While webbing is biological, extremely high humidity following a period of drought can trigger rapid mite population explosions on Chrysanthemums. The webbing is not caused by the moisture, but the environment favors the pest.

Common

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How to confirm: Check if the plant has recently undergone a transition from very dry soil to very humid air.

build How to fix it

shopping_cart Recommended Products

1 Treat the plant immediately with an organic insecticide/miticide to eliminate the spider mite population causing the webbing.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Reduce humidity levels and improve airflow around the foliage to prevent future mite population explosions.

3 Monitor soil moisture levels closely using a meter to ensure you are not overwatering, which can contribute to the high humidity environment.