Zantedeschia Captain Maestro Fine Webbing - Causes & Fixes

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Spider Mites (Tetranychidae)

The presence of fine webbing on Calla Lilies is a classic sign of spider mite infestation. These arachnids thrive in hot, dry conditions and pierce the plant cells to suck out chlorophyll, leading to stippling and eventual leaf drop.

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 miticide to eliminate existing spider 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 wipe leaves with a damp cloth to physically remove webbing and disrupt the mites' dry habitat.

Flora Premium Plant Mister

Spray Bottles

$12

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3 Monitor soil moisture levels to ensure the environment does not become too dry, which encourages mite reproduction.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

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Two-Spotted Spider Mites

A specific species of spider mite often targets ornamental rhizomatous plants like Zantedeschia. They create dense silken webs around the base of the spathe and leaves to protect themselves from predators and environmental stress.

Very Common

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How to confirm: Inspect the undersides of the leaves closely for small, moving yellowish or reddish dots.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic insecticide to eliminate the spider mite population and destroy existing webs.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase humidity around the plant by using a fine mist spray to create an environment less favorable to mites.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

3 Wipe down the leaves and the base of the spathe with a damp cloth to physically remove webbing and mites.

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Extreme Low Humidity/Desiccation

While not a direct cause of webbing, extremely dry air can stress Zantedeschia, making them more susceptible to mite outbreaks. The plant's moisture-loving nature means physiological stress often precedes visible pest damage.

Common

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How to confirm: Check if the surrounding environment is consistently below 40% humidity or if there are heat vents near the plant.

build How to fix it

shopping_cart Recommended Products

1 Inspect the undersides of leaves for spider mites and treat the infestation with an organic insecticide spray to eliminate the webbing and pests.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase ambient humidity around the Calla Lily by using a pebble tray or a fine misting bottle to prevent further desiccation and plant stress.

Flora Premium Plant Mister