Each time you crack an egg open, instead of tossing the shell into the trash, drop it into an open container that you keep in the fridge. When the container is full, crush the shells into small bits and sprinkle them around the base of your plants.
HOW TO START A GARDEN IN EGG CARTONS! Do you want to start a vegetable garden but dont want to make any major investment in time or money until you actually grow something? Egg carton seed starters are the perfect solution for you!