The homemade insecticide reportedly will also repel such damaging garden pests as beetles, leafhoppers and spittlebugs. It’s an irritant, not harmful to them. A versatile repellent for everything from tiny aphids to marauding deer, cayenne pepper spray is one of the go-to formulas for organic gardeners -- especially thrifty ones. https://www.houseofhawthornes.com/homemade-squirrel-repellent-recipe If squirrels are digging up your mulch and eating your plants, lay the flakes in the squirrels' favorite spots. You may also want to consider dusting or spraying your plants and other places frequented by squirrels with chili powder or cayenne pepper to keep them away. Cayenne pepper is known to repel squirrels in an effective way. Position pinwheels and wind chimes throughout your garden to scare squirrels away. Put water in a saucepan and heat it to boil. Just sprinkle some of it on the bird seed to prevent them from damaging the bird food. Cayenne Pepper-Onion Solution. Squirrels may get attracted to your home to find leftover food in the trash bin. 19. Ingredients . Birds, on the other hand, can’t sense it at all and regularly eat chiles and pepper seeds in the wild. Cayenne Pepper. Sprinkle hot pepper flakes in your garden to deter them. Set up wind chimes and pinwheels to create noise and movement. The offensive odor and taste of garlic and hot pepper will effectively keep squirrels away from your property. I have some stuff called Uncle Ian’s Mole, Gopher, Deer, Rabbit and Squirrel Repellent. Other Ways to Repel Squirrels. Onions; Jalapeno and cayenne peppers; Paprika; Water; Procedure. Keeping the trash bin sealed will prevent attracting squirrels and other pests. Outlined below are some squirrel repellent which you could come up with at the comfort of your home and by using natural substances.