Zantedeschia Captain Romance Fine Webbing - Causes & Fixes

search Possible Causes

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Two-Spotted Spider Mite Infestation

Spider mites thrive in the warm, dry conditions often experienced by Calla Lilies. The fine webbing is a protective silk structure built by the mites to house their eggs and move across the leaf undersides.

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 onto the paper.

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1 Immediately spray the plant, especially the undersides of leaves, with an organic miticide to kill existing mites and their eggs.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase humidity around the plant and avoid dry, warm air, as spider mites thrive in arid conditions.

Flora Premium Plant Mister

Spray Bottles

$12

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3 Monitor the soil moisture levels to ensure the plant is not under drought stress, which can make it more susceptible to infestations.

GROWIT Soil Moisture Meter SMM-V3

Water Meters

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Tetranychus urticae (European Red Spider Mite)

This specific mite species is highly prevalent in greenhouse-grown Zantedeschia. They pierce plant cells to feed, causing the characteristic webbing along with stippling (small yellow dots) on the foliage.

Very Common

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How to confirm: Examine the undersides of the leaves for tiny reddish or yellowish moving dots.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic miticide to eliminate the spider mite population and destroy eggs, larvae, and adults.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase humidity around the foliage and wipe leaves with a damp cloth to physically remove webbing and dislodge mites.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

3 Monitor soil moisture levels to ensure the plant is not under drought stress, which can exacerbate mite infestations.

GROWIT Soil Moisture Meter SMM-V3

Water Meters

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Low Humidity / Desiccation

While not a direct producer of webbing, extreme lack of humidity can cause the leaf edges to curl and become brittle. This physical breakdown can sometimes trap dust or fungal hyphae that mimic a fine web-like appearance.

Common

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How to confirm: Check if the leaves are also showing crisp, brown edges and if your indoor environment has dropped below 40% humidity.

build How to fix it

shopping_cart Recommended Products

1 Increase ambient humidity around the plant to prevent leaf edges from becoming brittle and curling.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

2 Monitor soil moisture levels closely to ensure the plant is not experiencing extreme desiccation.

GROWIT Soil Moisture Meter SMM-V3