Limonene

• Limonene oil accounts for 95 percent of an orange peel. It is a natural ant repellent. Orange peels will help keep ants away from a particular area.
  
  

Orange Peel Puree

• To create an ant barrier, puree orange peels and water in a food processor. Place the puree around the edges of your cucumber garden to prevent ants from crossing into the space.
  
  

Orange and Cucumber Peels

• According to the Planet Natural website, ants are also repelled by bitter cucumber peels. Take the peels from some of the cucumber crop and mix them with orange peels into the soil around growing cucumbers.