Zantedeschia Captain Reno 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, feeding on the undersides of leaves and secreting silk that creates fine webbing. This infestation disrupts the plant's ability to photosynthesize, eventually causing yellowing or spotting on the foliage.

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 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 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 avoid dry, warm air to make the environment less hospitable for spider mite reproduction.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

3 Use a moisture meter to ensure the soil remains consistently moist but not waterlogged, as dry stress can trigger infestations.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

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Tetranychus urticae (European Red Spider Mite)

While similar to the two-spotted variety, this specific mite strain is highly aggressive on moisture-loving rhizomes like Zantedeschia. The webbing serves as a protective micro-environment for their eggs and nymphs during dry spells.

Common

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How to confirm: Inspect the leaf undersides for tiny, bright red or orange moving dots near the webbing clusters.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic miticide/insecticide spray to the plant to eliminate the spider mite population and destroy their eggs.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase local humidity and wipe leaves with a damp cloth to physically remove webbing and disrupt the mite's micro-environment.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

3 Monitor soil moisture levels closely to ensure the rhizome remains hydrated, as dry spells trigger mite aggression.

GROWIT Soil Moisture Meter SMM-V3

Water Meters

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Extreme Low Humidity (Desiccation)

Zantedeschia 'Captain Reno' requires consistent humidity; extremely dry air can cause leaf edges to degrade and may make the plant more susceptible to secondary pest colonization. While not a direct cause of webbing, it creates the environmental stress that facilitates mite outbreaks.

Common

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How to confirm: Check if your indoor environment is consistently below 40% humidity or if there are heat vents blowing directly on the foliage.

build How to fix it

shopping_cart Recommended Products

1 Inspect the plant closely for spider mites, as the webbing is a sign of pest presence; treat the foliage with an organic insecticide to eliminate the mites.

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 spray bottle to prevent further desiccation.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

3 Monitor soil moisture levels regularly to ensure the plant remains hydrated without becoming waterlogged, which helps reduce environmental stress.

GROWIT Soil Moisture Meter SMM-V3

Water Meters