Raised-bed vegetable garden. This would be awesome! Fresh veggies without weeding or watering :) that's my kinda garden! :)
Planting seeds in eggshells then put eggshell and all in garden bed when ready for transplant. Crush egg shell a little to give roots room to expand and gives an added benefit of nutrients to the plant.
How To Grow 100 Pounds of Potatoes In a Barrel (4 Easy Steps)