Why does your Rosa Terrazza Meteor have tiny black flies? Diagnose the cause and fix it with our step-by-step guide.
The tiny black flies are likely fungus gnat adults, which thrive in the moist organic matter of miniature rose potting soil. Their larvae feed on decaying plant material and can damage the delicate root systems of 'Meteor' mini roses.
Excessive moisture in the small, constrained container of a mini rose creates a perfect breeding ground for fungus gnat larvae. Constant wetness also stresses the 'Meteor' variety, making it more susceptible to root-damaging pests.
High levels of decomposing peat or compost in the potting mix provide the necessary food source for flies. In miniature roses, this is common when old soil is not refreshed, leading to an accumulation of organic debris.
Your plant might also be experiencing one of these issues:
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