Kalanchoe Rosalina Don Amarillo Sticky Leaves - Causes & Fixes

error

Aphid Infestation

Aphids are sap-sucking insects that common in succulent environments; they inject saliva into the Kalanchoe's soft tissues, excreting a sugary substance known as honeydew.

Very Common

lightbulb

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

build How to fix it

shopping_cart Recommended Products

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

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Wipe the sticky leaves with a damp cloth to remove the excreted honeydew, which can otherwise encourage the growth of sooty mold.

3 Inspect the undersides of leaves and new growth regularly to ensure no new aphids are developing.

Super Ninja Fungus Gnat Traps - 30 Pack

30 pcs

$7

In Stock

error

Scale Insects

Scale insects attach themselves to the stems and leaf undersides of Kalanchoe, feeding on plant fluids and producing sticky honeydew as a byproduct.

Very Common

lightbulb

How to confirm: Look for small, immobile, brownish bumps on the stems that do not move when prodded with a fingernail.

build How to fix it

shopping_cart Recommended Products

1 Treat the plant with an organic insecticide/miticide spray to eliminate existing scale insects and their eggs.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

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

3 Inspect the undersides of leaves and stems regularly to catch any new infestations early.

warning

Mealybug Infestation

Mealybugs secrete a sticky residue while feeding on the plant's vascular system, often accompanied by white, cottony masses in leaf axils.

Common

lightbulb

How to confirm: Search for small, white, waxy patches tucked deep within the junctions where leaves meet the stem.

build How to fix it

shopping_cart Recommended Products

1 Isolate the plant immediately to prevent the spread of mealybugs to other greenery and wipe away visible white cottony masses with a cotton swab dipped in alcohol.

2 Apply an organic insecticide spray to the entire plant, ensuring you coat the leaf axils where pests hide, to eliminate existing insects and larvae.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

3 Monitor soil moisture levels to ensure the plant is not overwatered, as excess moisture can create a humid environment favorable to pest development.

GROWIT Soil Moisture Meter - Blue

Water Meters

$12

In Stock

warning

Sooty Mold (Secondary Symptom)

While not the primary cause of stickiness, this black fungus grows specifically on the honeydew left behind by sap-sucking pests, coating the yellow leaves in a dark film.

Common

lightbulb

How to confirm: Check if the sticky residue is accompanied by a black, velvety coating that can be wiped off easily.

build How to fix it

shopping_cart Recommended Products

1 Identify and treat the underlying sap-sucking pests (such as aphids, scale, or mealybugs) that are producing the sticky honeydew.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Gently wipe the black sooty mold film off the leaves using a soft cloth and water to allow the plant to breathe and photosynthesize.

3 Monitor soil moisture levels to ensure the plant is not overwatered, as excess moisture can stress the plant and make it more susceptible to pests.