“Eggshells aren’t just kitchen waste—they’re a gardening powerhouse. But if you’re tossing them whole into your garden, you’re doing it wrong. Here’s the right way to use eggshells as fertilizer for healthier, happier plants.” Eggshells—something most people regard as mere kitchen waste—can actually be a powerhouse for enriching your garden soil. By repurposing eggshells, you’re not only being environmentally conscious,...