Chrysanthemum Eder Fine Webbing - Causes & Fixes

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

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Two-Spotted Spider Mite Infestation

These microscopic arachnids thrive in the warm, dry conditions common for Chrysanthemums. They pierce plant cells to suck out nutrients, leaving behind fine silk webbing and stippled yellow spots on the foliage.

Very Common

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

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1 Immediately spray the plant with an organic insecticide/miticide to kill existing mites and larvae.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

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

Flora Premium Plant Mister

Spray Bottles

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3 Prune and dispose of heavily infested or dead foliage to reduce the mite population and prevent further spread.

Fiskars 5/8" Bypass Pruning Shears

Cutting Tools

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Tetranychus urticae (European Red Spider Mite)

A specific strain of spider mite that is highly prevalent in greenhouse-grown Chrysanthemums. High density of webbing often indicates an advanced infestation that can cause rapid defoliation of the 'Eder' variety.

Very Common

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How to confirm: Inspect the undersides of the leaves for small, reddish or orange dots which are the mites themselves.

build How to fix it

shopping_cart Recommended Products

1 Immediately spray the plant with an organic miticide to eliminate the spider mite population and destroy existing webbing.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Prune and dispose of heavily infested or defoliated foliage to reduce the mite density and prevent further spread.

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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Extreme Environmental Desiccation

While not a pathogen, extreme lack of humidity can cause the plant's fine hairs (trichomes) to trap dust and moisture in a way that mimics light webbing. This is often accompanied by brittle, curling leaf margins.

Common

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How to confirm: Check if the soil is bone dry and if the surrounding air humidity has dropped significantly below 40%.

build How to fix it

shopping_cart Recommended Products

1 Increase ambient humidity around the plant to prevent further desiccation and leaf curling.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

2 Monitor soil moisture levels closely to ensure the plant is not experiencing drought stress.