Cooking oil offers surprising garden benefits. It can silence squeaky hinges, stop mosquitoes, condition soil, trap earwigs, and act as an organic insecticide. You can also freeze herbs in oil. However, avoid using it for moles, outdoor furniture, shining leaves, or in oil lamps. Proper use ensures a healthy garden.source https://timesofindia.indiatimes.com/life-style/home-garden/7-unexpected-cooking-oil-uses-in-the-garden/articleshow/126002922.cms