What do fleas hate the most?

Fleas do not like eucalyptus. They do not like eucalyptus, perhaps a incense will work.

Citronella, eucalyptus, peppermint, tea tree, and rosemary will all naturally repel fleas. Dilute a couple of drops of the essential oils in water and use a spray bottle to apply the mixture directly onto your dog’s coat. Garlic is about as effective at warding off fleas as it is vampires. Not only is there no evidence to support the idea that garlic repels fleas, garlic itself is actually quite harmful for your pet.

Fleas are bothersome pests for pets and humans, and homes can become infested. Scientific studies that the scent of thyme, mint, yarrow, and myrtle are effective flea repellents. Thyme: The herbal oils extracted from common thyme and lemon thyme have scents that fleas avoid. Mint: Any cultivar from the Mentha plant family—peppermint, spearmint, pineapple mint, and more—contains oils that produce smells that fleas hate. Yarrow: Yarrow plants, while lovely with feathery foliage and colorful blooms, do not have a particularly pleasant scent to humans or fleas. Myrtle: Often called sweet myrtle, the oil has a sweet, fresh, green, and slightly camphorous scent fleas tend to avoid. Eucalyptus: Similar to myrtle oil, eucalyptus oil has a fresh, minty, woodsy, slightly sweet note that fleas hate. Tea tree: Many pet bathing products contain tea tree oil from the Australian tea tree plant Melaleuca alternifolia. It has a minty smell that, historically, has been used in diluted amounts to treat various skin issues in people. Basil: The herbal scent of basil oil is not pleasant to fleas. Lemongrass: Lemongrass oil contains citral and geraniol notes that repel both fleas and other insects. Rosemary: The pungent, piney smell of rosemary is a natural insect repellent. Pine: Pine oil is a good choice for cleaning products because fleas hate the smell.

Fleas prefer to live in outdoor places that are shaded, humid, and warm. Direct sun-exposed areas can get too hot, so fleas aren’t likely to be found there. Plants that may help repelling fleas include Mint, Catnip, Clove, Chrysanthemums, Eucalyptus, Fleabane, Daisy, Lavender, Neem, Salvia. A small-scale human study found that thyme oil and myrtle oil were more repellent against fleas on people than either permethrin or DEET. You can use some natural flea repellents, including some essential oils, as flea repellents placed directly on skin. Add cedar chips to these areas. Expose these shady areas to as much sunlight as possible.