If you think mixing your own potting soil is harmless, think again. A fluffy, nutrient-rich blend that seems perfect for your indoor plants can secretly turn into a mold magnet. It isn’t just a minor nuisance sitting on the surface; it can actively harm your plants and create a household hazard.
Experts are sounding the alarm on a mistake so common it might surprise even seasoned gardeners. What seems like careful care can quickly turn into a battle against a creeping green or white fuzz.
