Kalanchoe Passion Castalia Sticky Leaves - Causes & Fixes

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Aphid Infestation

Aphids are small, soft-bodied insects that pierce the succulent leaves of Kalanchoe to suck out sap, excreting a sugary substance known as honeydew. This residue creates the characteristic sticky film on the leaf surfaces.

Very Common

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How to confirm: Inspect the undersides of the leaves and new growth for tiny, pear-shaped green or black insects.

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1 Spray the plant thoroughly with an organic insecticide to eliminate the aphid population and stop the production of honeydew.

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2 Wipe the sticky residue off the leaves using a soft cloth dampened with water to prevent fungal growth and allow the plant to breathe.

3 Place yellow sticky traps near the plant to capture any remaining flying aphids and monitor for new arrivals.

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Scale Insects

Scale insects attach themselves to the stems and leaves of Kalanchoe and feed on plant fluids, leaving behind sticky honeydew. Unlike aphids, these pests often look like small, immobile bumps or crusty patches on the plant.

Very Common

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How to confirm: Look for stationary, hard bumps on the stems or leaf petioles that can be scraped off with a fingernail.

build How to fix it

shopping_cart Recommended Products

1 Treat the plant with an organic insecticide/miticide spray to eliminate the scale insects and stop the production of honeydew.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Physically remove visible scale bumps from the stems and leaves using a cotton swab dipped in rubbing alcohol.

3 Wipe the sticky leaves with a damp cloth to remove the honeydew residue and prevent fungal growth.

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Mealybugs

Mealybugs are common pests in indoor Kalanchoe cultivation; they secrete honeydew as they feed on the plant's vascular system. They are often accompanied by a white, cottony appearance in leaf axils.

Common

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How to confirm: Search for small, white, fluffy clusters tucked into the joints where the leaves meet the stem.

build How to fix it

shopping_cart Recommended Products

1 Inspect the leaf axils for white, cottony clusters and treat the infestation immediately with an organic insecticide spray.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Wipe away the sticky honeydew and visible pests from the leaves using a cotton swab dipped in isopropyl alcohol.

3 Place yellow sticky traps near the plant to capture any migrating adult insects or larvae.

Super Ninja Fungus Gnat Traps - 30 Pack

30 pcs

$7

In Stock

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Whitefly Infestation

Whiteflies reside on the undersides of Kalanchoe leaves and excrete honeydew during their feeding process. If the plant is disturbed, a small cloud of white insects may emerge from the foliage.

Common

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How to confirm: Gently shake the plant near a light source to see if tiny white moths fly out from under the leaves.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic insecticide spray to the undersides of the leaves to eliminate adult whiteflies and larvae.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Place yellow sticky traps near the foliage to capture emerging adults and monitor the infestation level.

Super Ninja Fungus Gnat Traps - 30 Pack