11. Eggshell Armor
If you have a garden, save your eggshells—they can serve as a sharp barrier to ward off soft-bodied pests. Before using them, make sure to remove the egg smell to prevent attracting rodents. After that, crush the shells and scatter them around your plants.
12. Cinnamon Shield
More than a spice, cinnamon guards young plants against diseases and prevents unwelcome fungi. It’s also an ant repellent and a natural rooting aid.
