Zantedeschia Captain Cheerio Fine Webbing - Causes & Fixes

search Possible Causes

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Two-Spotted Spider Mite Infestation

The fine webbing is a hallmark sign of spider mites, which thrive in the warm, dry conditions often experienced by Calla Lilies. These arachnids pierce the leaf cells to suck out nutrients, leading to stippling and eventual chlorosis.

Very Common

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

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

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2 Increase humidity around the plant and wipe leaves with a damp cloth to physically remove webbing and discourage mites from returning.

3 Monitor soil moisture levels to ensure the environment does not become too dry, as low humidity triggers mite outbreaks.

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Tetranychus urticae (European Red Spider Mite)

A specific subspecies of spider mite that is highly aggressive on bulbous perennials like Zantedeschia. They create dense silk webs to protect their eggs and provide a microclimate for their colony.

Very Common

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How to confirm: Inspect the undersides of the leaves for tiny, reddish or orange moving specks.

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1 Isolate the plant immediately to prevent the mites from spreading to other greenery and spray the foliage thoroughly with an organic miticide to kill existing mites and eggs.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Wipe down leaves with a damp cloth and increase local humidity to make the environment less hospitable for spider mite colonies.

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3 Monitor soil moisture levels closely, as spider mites thrive in dry conditions; use a moisture meter to ensure the bulb remains hydrated but not waterlogged.

GROWIT Soil Moisture Meter SMM-V3

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Extreme Low Humidity/Desiccation

While not a primary cause of webbing, extremely dry air can cause plant tissues to become brittle and trap dust or fine debris that mimics the appearance of light webbing. This stress often makes the plant more susceptible to secondary mite attacks.

Common

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How to confirm: Check if the edges of the yellow spathes are turning brown and crispy alongside the presence of web-like structures.

build How to fix it

shopping_cart Recommended Products

1 Inspect the undersides of leaves for tiny moving dots or actual spider mites, and treat with an organic insecticide if pests are found.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase ambient humidity around the plant by using a pebble tray or a fine misting spray bottle to prevent tissue brittleness.

Flora Premium Plant Mister