Eggshells are rich in calcium and other nutrients, so broken eggshells can really benefit the health of your soil and in turn, the health of your plants.
5. Healthy Veggies
Certain vegetables like tomatoes, eggplants, and peppers are prone to rotting because of calcium deficiencies. If you want to ensure your veggies stay healthy, bury some broken eggshells beneath the soil around your vegetable plants.