Coffee: Save leftover coffee to spray plants that have a problem, make sure to spray underneath the leaves as well as the stems and surrounding soil. You can also sprinkle a layer of used coffee grounds around the plant to ward off these pests.
How to Get Rid of Ants Naturally -- I've been sprinkling corn meal out side where I see the ants nests have a small pile in each bathroom where we've seen them. They seem to go away for a fee days show back up so I make new piles.
To get rid of ants, put small piles of cornmeal where you see ants. They eat it or take it home to the others. It may take a week or so, especially if it rains, but it works and you don’t have the worry about pets or small children being harmed!