Using the normal methods for making a basic candle make this great decor candle that will keep away the bugs from your next outdoor entertaining. Melt your wax as normal and set up your terra-cotta pot to take the wax and hold the wick. Do this by threading the wick through the top of the flower pot and out through the drainage hole in the middle of your pot, then secure it with tape. Insure the bottom hole is closed off with tape or blue-tack.
Just before pouring your candle wax , pour in 10-12 drops of Pure citronella essential oil. This will help keep away the bugs. Then let the candle set.
These look great on BBQ tables and outdoor patios. Be careful that you don't purchase Citronella burning oil, as this is flammable oil used for lanterns. The price will give it away. Essential oil comes in small bottles yet is more expensive then burning oil.