A plant will not ward off pests like insects all by itself. A garden or farm is a big pile of food on one end of an unbalanced equation, where entropy favors pe

A plant will not ward off pests like insects all by itself. A garden or farm is a big pile of food on one end of an unbalanced equation, where entropy favors pest populations growing to consume that excess. Natural gardening therefore puts a big point of focus in developing an entire ecosystem, such that when you do get these inevitable surges in prey population its balanced by predation. There are certain cover crops you can plant that will help attract predatory insects to your garden.