Pine and cedar: pine is a resin of strong odor that is not pleasant for them. Avoid using cat litters with this material as they can reject it. Eucalyptus, lavender and geranium: these are odors that cats dislike. In fact, they can be noxious to your cat and make them sick if they ingest their leaves.
For dogs, citrus scents are the enemy. Citrus scents like lemon, lime, oranges, and grapefruit–especially in high concentrations often found in household cleaners or essential oils–can cause irritation to your pup's respiratory tract, so keep any fresh citrus fruits out of your dog's reach. You know–just in case.
Orange and lemon peels (cats dislike citrus smells), cayenne pepper, coffee grounds, pipe tobacco, lavender oil, lemon grass oil, citronella oil, peppermint oil, eucalyptus oil, & mustard oil.
Vinegar as a cat repellent
Spraying Outdoors – Straight or diluted vinegar can be sprayed around the edges of a garden, and on plants, fences, posts and garden décor to keep cats away. Concentrate the spray on areas that the cats frequent or that you particularly want to protect.
Likewise, geranium and eucalyptus plants give off an odor that cats dislike. Keep in mind that lavender, geranium, and eucalyptus are all somewhat toxic to cats; if ingested, they can cause excess salivation, nausea, vomiting, anorexia, depression, or dermatitis.
Eucalyptus oil is used in aromatherapy to treat breathing problems (4). The smell of eucalyptus can be very overwhelming for dogs in both positive and negative ways. But all these benefits are for humans.
Since dogs have a very good sense of smell, the lavender oil should always be diluted, otherwise, it is too potent for any dog to enjoy. Although most dogs seem indifferent to the aromatic smell of lavender, some dogs appear to actually like it a lot even though it is quite rare.
Citrus scents
What scent do dogs hate the most? Almost every dog (and even cats!) are not too keen on any kind of citrus smell. Using the scent of lemon, orange, lime, or grapefruit is a safe way to keep your dog away from parts of the house where he isn't allowed.
5. Eucalyptus and Lavender. Eucalyptus and Lavender are great scents that can repel dogs. However, their essential oils are quite toxic to dogs.
You can use vinegar to keep dogs away from your lawn by spraying it around the perimeter of the area you want to be canine-free. Dogs don't like the strong smell of vinegar and thus will be deterred by it.
Vinegar is another household item that dogs stay away from due to its strong smell. You can use vinegar straight from the bottle to sprinkle or spray.
Something that is generally very effective is vinegar – dogs seem to hate the pungent, acrid smell of vinegar, and its application in a few strategic locations may do the job. Another popular – although sometimes controversial – option is cayenne pepper or strong chili powder.
Many (but not all) dogs hate the smell of citrus, so using citrus smells like citronella, lemongrass, lemon, and even bergamot can repel some dogs from an area. You can use these smells in scented candles or sprays to see if it keeps your dog away from an area where you don't want them peeing.
Even better, lavender plants repel animals from your yard and garden. Lavender keeps mice, mosquitos, and other common pests at bay. The intense fragrance deters the critter from the area, making it wise to grow in your yard or garden.
Many liquid potpourri products and essential oils, including oil of cinnamon, citrus, pennyroyal, peppermint, pine, sweet birch, tea tree (melaleuca), wintergreen, and ylang ylang, are poisonous to dogs. Both ingestion and skin exposure can be toxic.
Supports digestion: This herb can also strengthen the digestive system. Its antimicrobial properties can help remedy gastrointestinal or digestive tract issues. 2. Neutralizes free radicals: Rosemary is rich in antioxidants and can neutralize cell-damaging free radicals in your dog's body, supporting the immune system.
1. Citronella Oil. Dogs hate the smell of citronella, and trainers often use the oil in both collar and spray form to break aggressive behavior and persistent barking habits. In fact, just a whiff of citronella could very well keep your dog away from your garden.
While dogs seem immune to bad smells, there are plenty of scents that most dogs tend to hate. These smells, like citrus and vinegar, are known for being strong and overpowering. Pungent odors can overwhelm your dog's strong sense of smell, which leads to your dog avoiding areas where the smell is present.
Pest Control – Eucalyptus is an effective remedy against pests like pantry moths, mice, or rats. To keep these pests out, place cotton balls moistened with two drops of eucalyptus oil in cabinets and drawers. For rodents, like mice or rats, the goal is to keep them outside where they belong.
When ingested in sufficient amounts this oil, eucalyptol, is an irritant to the gastrointestinal system, causing discomfort, vomiting, and diarrhea. It is also a neurotoxin and can cause neurological symptoms as well, such as depression, confusion, and seizures.
A great deterrent for not only mice but insects to. They don't like the smell! You do need to do it regularly as Eucalyptus Oil does evaporate over time. Mice are generally looking for food or a place to nest, so make sure you don't have anything in your garage or home to tempt them.