Why does your Peperomia obtusifolia Variegata have tiny black flies? Diagnose the cause and fix it with our step-by-step guide.
Pet FriendlyThe tiny black flies are likely the adult stage of fungus gnats, which lay eggs in moist organic matter. Their larvae feed on the fine root hairs of Peperomia obtusifolia, potentially causing root damage and nutrient deficiency.
Excessive moisture in the Peperomia's substrate creates the perfect breeding ground for fungus gnat larvae. High humidity and wet soil also trigger fungal pathogens that can lead to mushy, black stems.
If using a peat-heavy potting mix, the decomposition of old organic matter can attract gnats. This is less an illness and more a symptom of a nutrient-rich, overly damp environment.
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