Canna Lemon 801 Fine Webbing - Causes & Fixes

Jump to cause: Two-Spotted Spider Mites (Tetranychus urticae) Tetranychus cynarae (Canna Spider Mite) Broad Mites (Polyphagotarsonemus latus)

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Two-Spotted Spider Mites (Tetranychus urticae)

Spider mites thrive in the warm, dry conditions often preferred by Canna lilies. They pierce the leaf cells to suck out nutrients, leaving behind characteristic fine silk webbing and stippling patterns on the lemon-yellow foliage.

Very Common

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How to confirm: Tap a leaf over a white piece of paper; if tiny crawling dots fall off, it is spider mites.

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shopping_cart Recommended Products

1 Immediately spray the plant with an organic miticide to eliminate existing spider mite populations and kill eggs.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase humidity around the foliage and ensure the soil remains 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 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 cynarae (Canna Spider Mite)

Specific to the Cannaceae family, these mites specialize in feeding on Canna leaves. The webbing is often most dense on the undersides of the larger, broad leaves of the Lemon 801 cultivar.

Very Common

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How to confirm: Inspect the underside of the newest leaves for small, pale yellow dots or concentrated silk patches.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic miticide or insecticide spray to the undersides of the leaves to eliminate the spider mite population and destroy eggs.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Physically remove dense webbing and pests by wiping the leaves with a damp cloth or using a strong stream of water.

3 Monitor soil moisture levels to ensure the plant is not under drought stress, as spider mites thrive in dry environments.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

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Broad Mites (Polyphagotarsonemus latus)

While less likely to produce thick webbing than spider mites, broad mites cause leaf distortion and can contribute to a messy appearance on the foliage. They are particularly destructive to the developing new leaves of Canna.

Common

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How to confirm: Check for curling or puckering of newly emerging leaves alongside the presence of fine silk.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic insecticide/miticide spray to the plant, ensuring you coat the undersides of leaves and new growth to target mites.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Prune and dispose of any heavily distorted or damaged new leaves to reduce the mite population and prevent further spread.

3 Monitor the plant closely using a magnifying glass to check for the characteristic leaf curling and distortion caused by broad mites.