How Rosemary Plants Eliminate Fungus Gnats: The Science Behind This Viral Plant Hack
A viral plant hack is making rounds: place rosemary next to your houseplants and fungus gnats disappear within a week. The chemistry is real—rosemary essential oil components overwhelm gnat sensory receptors. But the real solution requires a two-pronged approach combining rosemary’s repellent power with soil management and biological controls.
