keep shells in open container in fridge. When full, crush shells into small bits and sprinkle around base of plants. Sharp eggshells will deter slugs, snails, and other bugs from nibbling on garden and add touch of calcium to soil.
Pallet Garden: If you’ve run out of space on your patio for more pots, try going vertical with a cool pallet planter. (via Apartment Therapy) - 15 Tiny Outdoor Garden Ideas for the Urban Dweller via Brit + Co.