These are plants that are advice to plant at least one to your surroundings. They serve as snakes, mosquitoes, and Scorpions repellants.
Garlic is a species in the onion genus, Allium. Its close relatives include the onion, shallot, leek and Chive onion. It is related to our common onion used at home but their smell is quite different in some ways. Garlic smell more than normal onion.
An onion is a plant. The bulb (rounded underground part) of the onion is used to make medicine. Onion is most commonly used for scarring. It is also used for other skin conditions and to prevent cancer and heart disease, but there is no good scientific evidence to support these other uses. Onion is spicy and partially juicy, it can be a white, green or yellow one. Onion too has odor and this can also repel mosquitoes, Snakes, and Scorpion
Lemongrass is a plant. The leaves and the oil are used to make medicine. Lemongrass is used for treating digestive tract spasms, stomachache, high blood pressure, convulsions, pain, vomiting, cough, achy joints (rheumatism), fever, the common cold, and exhaustion. It is also used to kill germs and as a mild astringent. So Lemon grass is useful for human health and definitely to repel any dangerous insects/animals
Basil is an herb in the mint family. It adds flavor to meals, and its nutrients may provide health benefits. Sweet basil (Ocimum basilicum) plays a role in many Mediterranean, and particularly Italian, cuisines. As basil provide health benefits also serve as germs repeller because it has herb odour
Rosemary is a rich source of antioxidants and anti-inflammatory compounds, which are thought to help boost the immune system and improve blood circulation.