Place crushed eggshells in a freezer-safe plastic bag or container, and set it in the freezer to save until planting time. You'll need the equivalent of approximately 12 eggshells for each tomato ... Dec 12, 2017 · If you eat eggs, your garden is in luck! Eggshells contain a good dose of calcium but also provide magnesium, sulfur and potassium to the plants. These nutrients help build healthy bone structure in plants leading to stronger plants and healthier fruit.
#3 – Adding Eggshells In The Garden For Pest Control. Coarsely smashed eggshells can form an effective barrier against soft-bodied pests like slugs and snails. They do not risk passing over the uncomfortable and sharp spiky shells. To do this, arrange the crushed layer of eggshells around those plants known to be sensitive to such pest. Now you know why you need calcium in your garden, now lets talk about how you can make your own calcium supplement at home from egg shells heading to your trash. 1. When cooking eggs for breakfast or baking rinse them quickly. They do not have to be spotless just enough so they will not create an odor. 2.