Garden centers and farm cooperatives sell predator urine. Apply the fragrance to the plants you want to keep safe or to the garden's perimeter.
The potent aroma of peppermint oil can be used to ward off squirrels and chipmunks. Place cotton balls around the garden or close to the plants you wish to protect after soaking them in peppermint oil.
The potent, pungent aroma of cayenne pepper can turn squirrels and chipmunks away. Cayenne pepper powder can be applied topically to the plants or combined with water to make a spray that can be sprayed straight onto the foliage.
You can use crushed garlic cloves or garlic oil to generate a potent smell that deters chipmunks and squirrels. Garlic oil and water can be combined and sprayed on the garden or plants that need to be protected.
With its potent aroma, eucalyptus oil works well to repel chipmunks and squirrels. Place cotton balls throughout the garden or next to the plants you wish to protect after soaking them in eucalyptus oil.
The potent scent of castor oil might be repulsive to chipmunks and squirrels. Blend a solution of castor oil and water, then mist the garden or the plants you wish to keep safe.
Although squirrels and chipmunks may find lavender oil unpleasant, people find it to have a nice scent. Place cotton balls around the garden or close to the plants you wish to protect after soaking them in lavender oil.