Lavender, geranium, and eucalyptus 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.
Lavender
Cats seem to hate the smell of lavender since the strong scent can be too much for them. Lavender plants can also be used as a natural repellent in your garden for cats.
Cats dislike the smell of certain scents, such as citrus, eucalyptus, lavender, peppermint, and rosemary. You can use these scents to deter cats from entering certain areas of your home or garden by using essential oils, planting these plants, or using citrus peels.
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.
Cats dislike eucalyptus, lavender, lemongrass, and peppermint – just choose the ones you don't mind the scent of yourself. 2. Shake the bottle up and spray the solution on the leaves of your plant and into the soil.
Signs of lavender toxicity in cats include diarrhea, vomiting, and weakness. However, your cat may also experience respiratory symptoms when inhaling lavender essential oils, including coughing and wheezing.
Is Lavender Safe for Cats? The American Society for the Prevention of Cruelty to Animals (ASPCA) cautions that lavender plants are toxic for cats as well as dogs and horses. Cats lack the ability to digest two natural substances found in lavender: linalool and linalyl acetate.
Lavender, geranium, and eucalyptus
Some gardeners use lavender plants to deter deer, but you can also try this as a deterrent for felines. Likewise, geranium and eucalyptus plants give off an odor that cats dislike.
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.
Citrus or lemon scents (orange peels, lemon peels), garlic, ammonia, vinegar, coffee grinds, pipe tobacco, mustard, citronella, or eucalyptus all deter cats as well. The scents diminish over time, so re-applying is necessary.
You should avoid using peppermint and lavender essential oils as they can be harmful to the cats. Mix one part essential oil to three parts water in the spray bottle. Spray in areas that you want to keep cats out of. Reapply daily or as needed.
Try orange and lemon peels, cayenne pepper, coffee grounds, lavender oil, lemon grass oil, citronella oil, peppermint oil, eucalyptus oil, and mustard oil. You can either sprinkle drops directly onto your flower beds or soak a cotton wool around it and place at entry points.
While it is not deadly, lavender is toxic for cats. Lavender contains linalool and linalyl acetate, which cats cannot process in their livers.
As cats have a well-developed sense of smell, they hate anything smelling acidic, herby, or citrusy. Therefore, if you are looking for new cat-deterring plants for your garden, go for something with a fresh herbal smell, like Rosemary or Lavender.
1) Lavender
We've put this at the top of the list because the smell that cats find so unpleasant is what makes the plant so appealing for humans, making this a very popular cat deterrent.
Mix together lemon juice, rosemary and white vinegar - three things cats detest. Put the liquid in a spray bottle so it's easy to use around the garden. Simply spray near where the cats spend time - on planters, the patio, or even inside.
Coffee Grounds
The strong smell of coffee can be enough to keep cats off of your garden. Simply take your fresh, wet coffee grounds and distribute them around your borders and plants where you want to discourage feline attention.
Most cats find the pungent smell of vinegar to be overwhelming and flee the area. Most cats have an acute sense of smell and are discouraged by new, foreign, and powerful aromas. Vinegar for a cat repellent can be a humane, simple, and non-toxic solution.
Peppermint oil is highly toxic to cats.
Without the enzymes required to break down phenols, cats exposed to peppermint oil can experience: Liver damage. Breathing difficulties. Wobbliness and seizures.
Sprinkling Epsom Salt As A Deterrent
You can also make a pet deterrent by sprinkling some Epson salt around your garden and around every plant. When you plant seeds, sprinkle some salt in a row and reapply every two weeks.
Unfamiliar Objects, Fruit or People
But it is a good example of cats being afraid of unfamiliar things (people, objects, fruits, etc.). Cats like to feel safe and secure in their home — if something new enters their space, that's probably going to cause some stress.
Many essential oils, such as eucalyptus oil, tea tree oil, cinnamon, citrus, peppermint, pine, wintergreen, and ylang ylang are straight up toxic to pets. These are toxic whether they are applied to the skin, used in diffusers or licked up in the case of a spill.
The small amounts of dried lavender we put in our catnip blends help promote relaxation, reduce stress and anxiety and help your cat sleep more soundly (and that might help you sleep more soundly at night as well). You may have heard that lavender oil is toxic to cats; it can cause your cat to have an upset stomach.
Most mint plants contain essential oils which can cause negative responses if consumed in high quantities. Both catnip and catmint are types of mint that are safe to cats. Garden mint may cause gastrointestinal upset if too much is eaten.