"If you finely chop citrus rinds and sprinkle them on the mulch in your garden, they keep neighborhood cats, dogs and other critters away from your veggies. I guess animals don’t like the smell of the orange oil. I’ve been using this method in the front garden and it’s working."
Eggshells: Microwave for three minutes, remove, crush into a fine powder, and place them in a cloth sachet. Then drop the sachet into your watering can to give your potted plants a nice nitrogen-boost.