Mosquito-Repellent Plants and Scents: What Works

Nice to grow, but not a barrier.

Lavender, basil, catnip, marigolds, citronella grass and lemongrass all come up as mosquito-repelling plants. Their oils are what people credit, and those oils mostly stay in the leaves until they are crushed. A living plant in a pot does not create a protective zone around your chair.

UGA Extension notes that the number and spacing of plants needed to repel insects effectively are unclear. Grow them because you like them and they suit your sun and space, not as your mosquito plan.

Choose by the label, not the smell.

Citronella candles, essential oils and lemon-scented sprays can smell similar and do very different things. A fragrance name does not tell you whether a product is meant for mosquitoes, where it goes, or how long it lasts. Homemade oil mixtures are not the same as a product tested for use on skin.

Before you buy, check the label:

• Target: does it list mosquitoes?
• Use: is it for skin, clothing, or something else?
• Duration: how long does it protect, and when do you reapply?
• Restrictions: check age directions, and do not assume it is safe for pets.

Use a registered repellent for real protection.

EPA-registered skin repellents, including ones with DEET, picaridin or oil of lemon eucalyptus, are tested for how long they protect. EPA’s finder lets you compare them by active ingredient and protection time. Clothing treatments like permethrin are a different product for a different job.

Check the saucers under your plants.

A basil pot by the table can hide a saucer of standing water under its leaves, which is exactly where mosquitoes lay eggs. Once a week, empty and scrub plant saucers and other containers, and turn over pots you are not using. The CDC puts this weekly routine first.

Treat where mosquitoes rest.

To make a whole patio or backyard more usable, mosquitoes need to be dealt with where they spend the day: shaded shrubs and leaf undersides. Barrier+ is our standard spray, Organic+ is a plant-based option, and In2Care stations target the breeding cycle. If you would rather avoid spraying, or a product’s smell matters to you, tell us when you ask for a quote and we will talk it through. Point out edible plants and flowers before the visit too.