The Biology Behind Plants That Drive Away Common Pests guest written by Richard Gillespie
Looking for some eco-friendly ways to get rid of pests in your garden? Why not give pest-repellent plants a try? Certain plants have finely tuned defenses to protect themselves from attack. By understanding the biology behind these defensive strategies, you can put them to work for you.
Scents That Make Sense
Many plants use chemical compounds to drive away pests. Some of these compounds scramble the scent receptors insects use to find them. Other plants use scent on its own to scare off pests. Herbs such as basil, rosemary, oregano, mint, and thyme are good examples. We love these tasty, aromatic herbs in our food, but bugs find them repulsive.