Cayenne Pepper is a natural way to keep ants at bay. Sprinkle the pepper across doorways and windowsills. The ants won't cross the pepper, so basically anywhere you think they may be entering your home is a good place to sprinkle the Cayenne. As it is natural and non toxic, it is safe for the environment. You can also use safely use it in close proximity to your house plants, to stop any
. stragglers that might slip through and be attracted to them.