Don't laugh.
Listerine, fart putty, and, if all else fails, keep a cinnamon shaker in your pocket and shake it near their face if they are doing something you don't want them doing. It's not that cats hate cinnamon, but the powder, without hurting them, makes their breathing slightly more difficult while it still lingers in the air.
The most natural cat repellent, that is safe to use, is Ultrasonic devices. They use discomforting effects of in-air ultrasound, they are much more safe than those which hurts the animal, or gives any physical damage.
Many individuals are greatly annoyed by the neighborhood cats using their flower beds as litter boxes. There are a few natural cat deterrents that can be made at home. Lemon is a fresh and pleasant scent to humans but not liked by cats. Eucalyptus is a known deterrent to many animals and also deters fleas and mosquitoes. To make this deterrent combine one litre of water, the zest of one lemon and twenty drops of eucalyptus oil in a spray bottle.
loud noise, being thrown into a pool, and if something is charging at the cat with great speed.
Moth balls
Fish
They are supposed to deter cats.
Not necessarily, but male cats will tend to spray their urine to mark their scents.
seeing as how cats urine contains a high concentrate of ammonia it is doubtful there is a plant that will dter cats but the name is lost to me at the moment.google deter cats naturally with plant
Mothballs are not safe ways to deter cats. They are fatal if ingested. Two safer alternatives are ammonia and vinegar.
Plants do these things to deter their natural (and not so natural) predators, such as dogs, cats, bears etc.
The homophone for "scents" is the word "sense."
Unrelated cats are instinctively hostile toward kittens that are not theirs. There are some exceptions, such as when nursing mother cats encounter kittens that are not theirs, or when the cats are around one another enough that they share common scents and lose their unfamiliarity.
Cats do not generally like to eat chili plants due to the flavor of the plant, and a lot of people sprinkle chili to deter cats. Eaten in large quantities, chili plants can cause nausea and vomiting as well as skin reactions.
You can try to deter cats from climbing into your attic by spraying ammonia or vinegar around entry points. The most effective option, however, would be to seal off all attic entrances.
A synonym of deter is divert. An antonym of deter is support.
Because they can be fatal if ingested, mothballs are not a safe choice to deter cats. Two safer alternatives are vinegar and ammonia.