Why does your Rosa Polar Ovation have tiny black flies? Diagnose the cause and fix it with our step-by-step guide.
The tiny black flies are likely adult fungus gnats, whose larvae thrive in the moist organic matter of miniature rose potting mixes. They feed on decaying plant material and can damage delicate neo-rosa root systems by feeding on root hairs.
Related to fungus gnats, sciarid flies are attracted to the high humidity often required by miniature roses. Their presence indicates that the substrate is staying too wet for too long, creating an ideal breeding ground.
While usually more sedentary, certain small black insects mistaken for flies can be aphids clustering near new growth. These pests suck sap from the tender buds of 'Polar Ovation', causing distortion and potential sooty mold.
Your plant might also be experiencing one of these issues:
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