Rats are in peak breeding season, becoming increasingly active during the summer months in the UK. These rodents commonly invade kitchens, gardens, garages, barns, rooftops, and cellars, causing damage and spreading disease. Fortunately, several natural methods can deter them without resorting to traps or poisons.
Why Scent Works Against Rats
Rats have poor eyesight but an exceptionally keen sense of smell. Certain scents severely aggravate their respiratory systems, discouraging them from entering homes. While professional pest control is recommended for serious infestations, these natural repellents can be effective for prevention.
Three Herbs That Repel Rats
Basil
Basil oil, used in a spray or diffuser, is a humane deterrent. Positioning basil plants near entrances, potential entry points, and areas of suspected rat activity can also help keep rodents away.
Lemongrass
Lemongrass is a well-known natural deterrent. Steep lemongrass in boiling water to create a tea, then pour it into a spray bottle and apply around the home. Alternatively, use lemongrass or citronella essential oils in a diffuser. Note that burning a lemongrass or citronella candle in just one corner is insufficient to fully repel rats.
Thyme
Several cultivated varieties of thyme, such as common thyme (Thymus vulgaris) or golden lemon thyme (Thymus × citriodorus 'Aureus'), give off strong scents that deter rats. Thyme oil in a diffuser or as a diluted spray is also recommended. Growing thyme in the garden can help drive rats away.
Additional Natural Repellents
Peppermint and citrus fragrances are also effective at repelling rats, as are cayenne pepper and chilli flakes.
