You can repel dogs and other pets from off-limits areas of your home and garden by making repellents from citrus, vinegar, ammonia or cayenne pepper. Each of these substances is completely pet-safe, repelling the pet thr... More »

The most common natural rat repellent is peppermint oil. To be effective, the oil must be highly concentrated. It must also be reapplied whenever the smell is no longer noticeable upon first entering the treated area. More »

To make a homemade dog repellent, HowStuffWorks recommends using either citrus, vinegar, cayenne pepper or ammonia to keep dogs out of the garden. Although the citrus and pepper are safe for use in the garden, gardeners ... More »

To make a homemade dog repellent, HowStuffWorks recommends using either citrus, vinegar, cayenne pepper or ammonia to keep dogs out of the garden. Although the citrus and pepper are safe for use in the garden, gardeners ... More »

Snake repellents can be made at home with basic household ingredients such as oils and cayenne pepper as well as moth balls and sulfur powder. Some repellents, such as those made of peppers and spices, work best when spr... More »

Cayenne pepper, white vinegar, ammonia and citrus all emit strong odors that dogs dislike, making them good dog repellents. For outdoor use, sonic devices and motion-activated sprinklers can scare away wandering dogs. More »

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A mixture of crushed red pepper, apple cider vinegar and water is an effective homemade spray to keep birds off plants, as is a mixture of cloves and water. Even simpler, cayenne pepper mixed with water is also effective... More »