Rats scurrying about your garden can be extremely frustrating, but it can also be worrying if they make their way into your home as it could be signs of the beginning of an infestation. 

If you wish to deter rats from entering your home but would prefer to use methods which are more natural and safe then consider using houseplants to deter them. 

Rats have highly sensitive noses and are also very cautious, so will keep away from places with smells they find repellant or overwhelming as these pests may think it means that area is dangerous. 

Cynthia Lawrence, a gardening expert from Tom’s Guide, said: “Known for their fragrant properties, these favourite plants and herbs will actually be offensive to rodents since they have a very strong sense of smell, much stronger than what humans have. 

“What’s more, these natural repellents are non-toxic, inexpensive and safe to use (unlike some traps), which is ideal for using around children or pets.” 

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Chrysanthemums

Chrysanthemums are not only beautiful but naturally contain a pesticide called pyrethrin which is not only poisonous to rodents but is also used as a natural pest control agent to get rid of flies, ants, and moths. 

Cynthia said: “Chrysanthemums are another colourful plant that emits a potent smell for mice and rats. The blooms contain a special combination of insecticidal compounds that can be toxic too, and an effective repellent.

“As these are popular flowers, you can easily find these in your local gardening store, and either place them outdoors or inside your home.” 

However, while chrysanthemums can be highly effective against rodents they can also be poisonous to cats and dogs so it is not recommended to have them in your home if you have pets. 

Sage

Sage plants contain thujone and cineole, which rats can find overwhelming and will likely stay away from an area if they smell it. 

Cynthia said: “This fragrant herb commonly used in our pasta dishes, also makes a great pest repellent. Rats in particular hate the smells of both the green and white sage varieties. 

“Simply sprinkle herbs onto soil, around outdoor plants, entryway crevices or cracks around the house. The pungent smells should be enough to repel mice and rats from entering.”

Peppermint 

Peppermint has a spicy and pungent scent that rats will hate as it contains menthol which is known to be a rodent-repellent, 

Cynthia said: “Rodents hate the fresh scents of the mint variety. Particularly peppermint and spearmint, as these tend to be the strongest. 

“Consider growing these aromatic herbs in your backyard, or placing them in pots to deter mice and rats.” 

You can also try pouring peppermint oil on cotton wool balls and leaving them in places of your home you suspect rats are entering, and it will also deter them from keeping your home pest-free this spring.