If you start to notice lots of little black flies around your plants, it's likely you're having the same problem I once had - a fungus gnat infestation. The worst part? These little bugs multiply ...

If left untreated, an infestation can weaken your plants and create a breeding ground for even more pests. The good news?

Use Cinnamon for Plants For outdoor plants, Guerrera sprinkles cinnamon on the soil to naturally kill fungus gnat larvae.

These are the best gnat killers you can buy or DIY. Plus an entomologist shares tips to help you prevent gnats in the first ...