Basil acts as a good insect repellent for flies and mosquitoes as the compound is effective in eliminating bugs from kitchen and repelling cockroaches.
The active component of catnip (Nepeta cataria) repels insects by triggering a chemical receptor that spurs sensations such as pain or itch.
Though you'll want to plant an herb garden for cooking, rosemary repels flies and mosquitoes. It also has a pungent scent that drives away other bugs.
Lavender has a pleasant scent that comes from the essential oils in the leaves of the plant, but the bugs hate it.
This is usually possible because Lemongrass contains certain properties that completely repel bed bugs due to the acidic scent.
They have a scent that will keep pests like mosquitoes, nematodes like cabbage worms, and other pests away.
Along with attracting the good bugs, chives also help to repel some of the unwanted insects.
They are called the mosquito plant, and they give off a scent mosquitoes don't like. And they are effective in repelling mosquitoes in small areas.
Menthol, the active insect-fighting ingredient in mint and peppermint oil, has biocidal properties that help repel and control mites, mosquitoes.
Lemon balm contains a compound called citronellal, which has an effect similar to the mosquito repellent.