What Are Crushed Eggshells Good For?
What Are Crushed Eggshells Good For? Eggshells are rich in calcium and other minerals that help your garden thrive, which is why they make a great fertilizer! Crush a few eggshells into tiny pieces and sprinkle into each hole before planting. … Eggshells can also help deter common garden pests like slugs, snails, and even