What not to DO!
This came from the New York State Department of Environmental Conservation: Every year, DEC's Bureaus of Pesticide Management and Law Enforcement receive dozens of complaints regarding the use of mothballs to repel domestic animals and wildlife in urban settings. Label directions state mothballs are to be used in tightly closed containers to kill clothes moths and other fabric pests. Mothballs are not effective in keeping “unwanted visitors” out of vegetable and flower garden