Chrysanthemum Derlei Pink Fine Webbing - Causes & Fixes

Jump to cause: Two-Spotted Spider Mite (Tetranychus urticae) Tetranychus cynareae (Chrysanthemum Mite) Rough Skin Mites

search Possible Causes

error

Two-Spotted Spider Mite (Tetranychus urticae)

Spider mites thrive in the warm, dry conditions often experienced by Chrysanthemums. They pierce individual plant cells to suck out sap, leaving behind fine silk webbing as they build colonies on the undersides of leaves.

Very Common

lightbulb

How to confirm: Hold a white piece of paper under a leaf and tap the leaf sharply to see if tiny crawling specks fall onto the paper.

build How to fix it

shopping_cart Recommended Products

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

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 stays 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 leaves to reduce the mite population and prevent further spread.

Fiskars 5/8" Bypass Pruning Shears

Cutting Tools

$13

In Stock

error

Tetranychus cynareae (Chrysanthemum Mite)

Specific to this genus, these mites cause stippling and fine webbing. They are highly specialized pests that can rapidly defoliate Chrysanthemums by consuming the leaf tissue.

Very Common

lightbulb

How to confirm: Inspect the newest growth and leaf axils closely for very small, moving dots accompanied by silk strands.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic miticide or insecticide to eliminate existing mites and prevent further webbing development.

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 leaves to reduce the mite population and prevent spread.

3 Increase humidity around the plant and monitor soil moisture to create an environment less favorable to spider mites.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

warning

Rough Skin Mites

While less common than spider mites, certain eriophyid mites can create fine, microscopic webbing or 'felted' patches on the surface of chrysanthemum foliage.

Common

lightbulb

How to confirm: Check if the webbing is accompanied by unusual swelling or galls on the stems or leaf margins.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic miticide or insecticide spray to the foliage to eliminate the mites and their eggs.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Prune and dispose of any heavily infested or 'felted' leaves to prevent the mites from spreading to healthy parts of the plant.

3 Increase airflow around the plant and monitor the undersides of leaves regularly using a magnifying glass.