Plants need minerals. Calcium is one important soil component.
My mother used to put eggshells and coffee grounds on her roses.They loved it! Irises also thrive on the minerals in this natural fertilizer. Extra calcium in the soil can prevent blossom-end rot on peppers and tomatoes. It takes a long time to break down for the calcium to be bio-available, so breaking the shells into smaller pieces speeds that process. Continue reading “Eggshells”