Eggshells are incredibly versatile and can be used in clever ways that you may not have thought of. Here are 15 genius ways to use eggshells that will make you reconsider tossing them in the trash: Garden Fertilizer Crush eggshells and sprinkle them around the base of your plants. They provide essential calcium for plant growth. Pest Control Use crushed eggshells to deter pests like slugs, snails, and even cats. Create a barrier by scattering the shells around your garden that these pests won’t cross. Compost Enhancer Add eggshells to your compost pile. As they break down, they help balance the pH of the compost and enrich it with valuable nutrients. Seed Starters Use eggshells as small pots for starting seeds. They are biodegradable and can be planted directly into the soil with the seedlings, giving them an extra boost of calcium. Household Cleaner Crushed eggshells mixed with a little soapy water make for a gentle abrasi...