how to keep a skunk away
1 Pepper sprays, also sold to repel squirrels and other wild creatures, are effective skunk repellents. 2  Spray them on trees and other areas where you've seen skunks. 3  Ammonia also deters skunks. 4  Soak old rags in ammonia and place them under your deck or porch to keep skunks from coming in. Spray it around the perimeter of your yard. 2  Pepper sprays, also sold to repel squirrels and other wild creatures, are effective skunk repellents. 3  Spray them on trees and other areas where you've seen skunks. 4  Ammonia also deters skunks.