Aglaonema commutatum White Cottony Spots
eco White Cottony Spots

Aglaonema commutatum – White Cottony Spots

Why does your Aglaonema commutatum have white cottony spots? Diagnose the cause and fix it with our step-by-step guide.

search Possible Causes

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Mealybugs

Mealybugs are small, soft-bodied insects that secrete a white, waxy, cotton-like substance to protect themselves. They feed on the sap of Aglaonema, often clustering in the leaf axils and junctions.

Very Common
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How to confirm: Inspect the undersides of leaves and stem nodes for tiny, moving white insects or sticky residue.
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1 Isolate the plant immediately to prevent the mealybugs from spreading to other houseplants.
2 Treat the infestation by spraying the plant with an organic insecticide or neem oil to kill the insects and their waxy coating.
3 Use a cotton swab dipped in isopropyl alcohol to manually remove visible white cottony clusters from leaf axils and stems.
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Cottony Scale

Certain species of scale insects produce a fluffy, white appearance that mimics cotton. These pests attach to the stems of Chinese Evergreens and can weaken the plant over time by extracting nutrients.

Common
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How to confirm: Check if the white spots are stationary and firmly attached to the stems rather than moving.
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1 Treat the plant with an organic insecticide spray to eliminate the scale insects and their eggs.
2 Manually remove visible white cottony clusters using a cotton swab dipped in isopropyl alcohol to prevent further infestation.
3 Isolate the affected plant from your other greenery to stop the spread of the pests.
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Fungal Mold (Sclerotinia or similar)

In high-humidity environments with poor air circulation, certain fungi can manifest as white, fuzzy patches on leaf surfaces. This is often accompanied by soft, decaying tissue on the foliage.

Common
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How to confirm: Check if the white spots are accompanied by dark, mushy, or translucent lesions on the leaves.
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1 Remove and discard all heavily affected leaves to prevent the fungal spores from spreading to healthy foliage.
2 Apply an organic fungicide to the affected areas to control the growth of the mold.
3 Improve air circulation around the plant and reduce humidity levels to create an environment less hospitable to fungal growth.

Other Aglaonema commutatum problems

Your plant might also be experiencing one of these issues:

local_hospital All symptoms eco All plants with white cottony spots
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